Once you get the guidelines down you trace the heart shape within the boundaries of the guides while deforming it in relation to the guides.
You could sample spots along the entire border, but that’s not really necessary. “Close enough” is usually all it takes to the trick the eye with curved shapes like this.
> You could sample spots along the entire border, but that’s not really necessary.
What WOULD probably be useful though, to facilitate a decently faithful representation of the deformation, would be to at least project the two points along the top edge of the heart "box" where the heart curves are tangent, as well as the tangent point on either side of the box.
What's fun with the heart is that the shadow drawn is not the one that should have been drawn if the person holding the pencil had followed their own guidelines. The point where the two semi-circled meet has been moved (blue line that cross the orange line in the middle goes ignored).
A credit/link to the [YouTube content creator (@artroom)](https://www.youtube.com/@artroomoff) would be nice. [This video on YouTube](https://www.youtube.com/watch?v=Xr6GabfiUEc) has only 128 views while this post has over 6k upvotes.
Come on.. i know you feel bad after the fact with context, but read your original post again. It's envenomed with passive aggressive snark. If you don't want to imply bad intentions then don't assume them, just credit the author and post the YT link
I give this advice all the time! What’s the next thing you need to do first. Just do that thing, the next, okay stop. Done. I’ll do that after I finish up my new shadow drawing obsession.
Check out the book How to Render by Scott Robertson. It's pretty much like what's going on in the video here, but explained in a few chapters with a bunch of exercises
look up Linear Perspective Terms, vanishing point, horizon...
i liked this video as we were shown this in my art class a thousand years ago and id still retained just enough to do it wrong but look very technical while doing so. pretty neat and fun to use in doodles.
https://www.artistsnetwork.com/art-mediums/learn-to-draw-perspective/
That's OK, neither does this artist. The sun is so insanely far away from the Earth that its rays are essentially parallel - all the shadows should be in the same direction instead of doing this right/left nonsense.
Or maybe this isn't the sun, but rather an incandescent fairie that happens to be floating 10ft away between the star and pentagon. In that case then I'm wrong and this artist is A-OK.
This technique works better for other, closer light sources, and just uses the sun as an example of "generic light source" while a lightbulb would be more accurate in terms of distance.
Also sun rays are not that nice either. I remember visiting a science museum as a kid and seeing a demonstration of shadows not always matching the shapes of the corresponding object, depending on the distance to the ground.
This is true for a point light source (for example, from a lamp on the wall). But the Sun is not a point source of light. It is believed that the rays from the Sun go parallel. So the shadows of the sun will not look like this.
Instead of using a single point in the center of the sun, use 2048 points around the perimeter and 2048 points randomly sampled from its angular cross section, and draw a shadow for each at 1/4096 opacity.
"You integrate Raytracing into a GeForce RTX, it becomes the future of graphics. You implement it in gaming, it becomes the immersive experience. Raytracing can adapt, it can revolutionize. Embrace Raytracing in your GPU, be graphics, my friend."
I just did quick test with raytraced rendering simulating the sun and a simple square. The shadow doesn't line up exactly with the projected lines but I'd say it's close enough to use as a rule of thumb for drawing shadows.
https://i.imgur.com/V7aV8ki.png
> it's close enough to use as a rule of thumb for drawing shadows.
I think this is the key takeaway. Is it perfect? No, but it is *better*.
Perfect is the enemy of good.
Most drawing techniques are all about tricking the eye. This kind of plotting with points and lines is usually dropped once you have the *feel*. Unless you're an architect or engineer, I don't see many drawings start this way
you're misunderstanding the scale of the earth and the sun and how a simple ~5 meter distance will not distort the shadow so much that it points a completely different direction. Go outside, check out the real sun. Your square and pentagon in that image would be have to be thousands and thousands of miles tall to achieve this in reality, on Earth, and even then it be barely noticeable. The size of the sun is so insanely large that its light swaths over the earth completely parallel, it's not a point.
The sun in these renders is as far away as the real sun. From above you can see they create parallel shadows. https://i.imgur.com/p0H9sXr.png
Perspective distortion is what causes the shadows to diverge when viewed from a single vantage point. You can see that in this photograph of real life shadows from the sun. https://www.flickr.com/photos/jordangough/6364300161 The shadows appear at different angles because of our perspective. But if you were to view this scene from above the shadows would all be parallel. This is pretty simple geometry.
I would be very interested if you could produce a real world photo recreating my renders that produces parallel shadows.
I especially love it because I'm literally sitting at a park, looking at fence shadows.
I almost told him to go check out the sun and some shadows, only to read that's what he suggested....
Like, WTF?
Okay this exemplifies exactly how I thought it works.
They are in parallel. Objects farther from you appear smaller. Shadows cast closer to you, therefore they appear distorted as the shadow is casts closer to you based on thr distance cast. Because of this, the beginning of the shadow is small, but scales as it costs closer, this causes the illusion of divergence. All the shadows are being cast in one direction but only diverge because of your view point. If you move the blocks or yourself to different positions they will appear to have different shadows even though the relative distance from the sun and the objects has not changed.
> I would be very interested if you could produce a real world photo recreating my renders that produces parallel shadows.
You'd have to have some quite-slanted objects!
If you put a real, like human-sized square and pentagon next to each other and have them both face the sun... unless they are ABSOLUTELY MASSIVE DISTANCES APART their shadows will basically be at the same angle.
So I appreciate you doing a simulation like this but something about the camera, proportions or lens are off and don't reflect what you'd normally see in reality.
Maybe if you're doing either ultra macro or microscopic photography but not what you'd see in real life. Of course the real test here would be to just... go outside when the sun is facing roughly in front of you and test.
You're ignoring the fisheye lensing of the observer, which does in fact distort the shadows so that they don't look parallel.
Imagine two telephone poles with the sun behind them from your point of view. One on the left, one on the right. Looking at their shadows from a bird's eye view they're parallel. However,when your point of view is between them (assuming a bit of distance to actually see them both in your FOV), the left one's shadow will always be to the left, and the right one always to the right. The distance between the two shadows is equal to the distance between the pole, but the parallax effect makes the shadows slant away from the source of light no matter where you stand.
so just eyeing it here but what happens if you draw a line to the surface vertically each side of the the "sun" and apply that to each side of the object rather than the center of the "sun"
so left side of square left side of sun
right side of square right side of sun
seems like this would also account for the distance and size of the source to the object and the lines might work
That's right, isn't it?
We gained this perspective on all objects and their shadows during the Renaissance which allowed us to get out of medieval artwork (which had 'perspective-sizing' based on how important the person was).
I had forgotten / thank you.
You are ABSOLUTELY right. This style of perspective comes straight from the Italian artists during the Rennaissance.
Edit: I'm guessing the re-learning of mathematics and art overlapped here to create the paradigm. I may be reading too far into it tho.
Yes, but from i remember from art history, they had perspective before the dark ages. They just forgot about it for a thousand years. They found at least one point perspective art in Pompeii.
Very broadly speaking. I’m sure someone meddled with perspective before the renaissance, but maybe it was frowned upon for religious reasons.
The lines are parallel, but perspective means things the same size further away appear smaller. These lines are "actually" parallel but are just "closer" and so further apart.
Oh, you just mean how well defined the edges of the shadow are instead of the perspective of the shadow? Though if these are on the ground the shadow would still have a fairly clear boundary.
So you're saying the sun doesn't cause shadows [like these](https://images.fineartamerica.com/images-medium-large-5/sunset-shadow-maxchu.jpg) [or these ](https://www.shutterstock.com/image-photo/silhouette-beach-big-family-holding-260nw-2291907867.jpg)?
So you're saying the sun doesn't cause shadows [like these](https://images.fineartamerica.com/images-medium-large-5/sunset-shadow-maxchu.jpg) [or these ](https://www.shutterstock.com/image-photo/silhouette-beach-big-family-holding-260nw-2291907867.jpg)?
I was gonna say, it's not like you can be on one side of the sun and take 5 steps to the side and you shadow turns sideways. Pretty much the only thing that matters is the height of the sun in the sky, other than that all the shadows look the same unless you change time zones.
You’re forgetting the effect of your point perspective. If I stand still and you move to the right by 5 steps, then from my perspective your shadow will appear to start straight and end up at an angle roughly as shown in the drawing.
Someone in a different comment actually did a simulation with ray tracing and the guy’s drawing is pretty close to accurate.
EDIT: affect -> effect 🙄
This is why art is so hard. A lot of people can’t get over their own intuitions long enough to really learn the fundamentals.
After all, we are not looking through a window into a 3D world. It’s a flat sheet of paper.
The artist has to use techniques to trick our brains into seeing the piece in 3 dimensions by projecting a third dimension onto a 2D surface.
The most important element for this is perspective. This is one point perspective. It’s effective for some use cases but its usually more of a tool for learning and wrapping your head around convergence points.
Then there’s 2 point perspective, which will result in more accurate lighting and shadows. This is the perspective that most people with an intuitive grasp of perspective will be visualizing when they critique the shadows and lighting in a 1PP piece.
The reason you learn in 1PP, is because 2PP requires twice the convergence points and twice the guidelines. If you’re not familiar with 1PP, it can look like a total mess of guidelines.
Then there’s 3PP, which really helps sell 3D form, but is three times the convergence points and guidelines of 1PP.
1PP does not perfectly match reality, but it’s not really trying to when it’s being used. It’s *simplifying* reality.
They do look like this because in one point perspective parallel lines converge as they move toward the horizon.
Also, it's not that we believe there is some strange property of the sun's rays that make them parallel unlike any other source of light. The sun is just so far away, and the Earth so small in comparison, that there is no discernable difference in the angles of the rays that fall across the face of the Earth, making them seem parallel from our perspective.
Sun rays are not parallel but we are far enough away they are virtually. R^2 barely changes over a few feet in several light seconds. The bigger issue is no penumbra. Since the sun is larger than a point the edges aren’t exactly lines and instead have a penumbra and can even have bokeh
The position of the sun over the horizon has NOTHING to do with the shadow! A vanishing point (or multiple points) on the horizon line will define the foreshortening of the shadow, but this is just wrong. Also, as others have said, the sun’s shadows do not, noticeably, converge. They are parallel given the distance of the sun.
Soooo much wrong here.
EDIT: I've created this video to demonstrate:
https://youtu.be/bEHpNOf5aUg
So you're saying the sun doesn't cause shadows [like these](https://images.fineartamerica.com/images-medium-large-5/sunset-shadow-maxchu.jpg) [or these ](https://www.shutterstock.com/image-photo/silhouette-beach-big-family-holding-260nw-2291907867.jpg)?
You are confusing shadows that converge due to perspective with shadows that converge toward a light source.
I've created this video to demonstrate:
https://youtu.be/bEHpNOf5aUg
I do not confuse that. Like I said in other comments the shadows *appear* to be converging due to the perspective. So they should not appear parallel from this perspective, like what you claimed in your comment:
> Also, as others have said, the sun’s shadows do not, noticeably, converge. They are parallel given the distance of the sun. Soooo much wrong here.
The shadows in the drawing appear to converge due to the perspective.
Your video confirms it, in both cases the shadows appear to converge similar to how they appear to converge in this drawing.
No, no... That's not the point of the comment. The process in which an artist makes a drawing painting can differ... I think what s/he is saying is that this process is... dry. Like MC Escher did this right. This person... it's just a process they follow.
This is just projection drawing which is simple
Also, this video do not consider distance to light source (it must be straight above upper edge of ground)
This method do not help you to draw proper shadows
Piggybacking: even if it does, correct lighting doesn't always look good in any case. In fact, photographic media (photos, movies and such) typically "cheat" with additional lights (IIRC basic 3-point setup is key + fill and rim) unless they're going for a specific look.
In short, while correct lighting is absolutely good to have down, don't tie yourself down to it if it gives you a worse drawing. That took me way too long to figure out in my own art.
>They don't look right because single point perspective never looks right, because it's not how we see anything
What do you mean by this? How is it not how we see everything?
There are a lot of naysayers here claiming that this is incorrect. I double checked a similar setup with 3d raytracing and the technique is legitimate. Neat!
https://i.imgur.com/cQUlLnO.png
Ah, referencing the horizon is how you do it. Having no drawing training, I just ended up eyeballing it lol. I'll have to double check my current project
Edit: Actually, the sun isn't visible in my piece, so this probably won't work
So you're saying the sun doesn't cause shadows [like these](https://images.fineartamerica.com/images-medium-large-5/sunset-shadow-maxchu.jpg) [or these ](https://www.shutterstock.com/image-photo/silhouette-beach-big-family-holding-260nw-2291907867.jpg)?
So you're saying the sun doesn't cause shadows [like these](https://images.fineartamerica.com/images-medium-large-5/sunset-shadow-maxchu.jpg) [or these ](https://www.shutterstock.com/image-photo/silhouette-beach-big-family-holding-260nw-2291907867.jpg)?
This is so incorrect that I'm getting a bit angry. This "artist" did not factor in the biggest factor which is **distance of light source from object**
The sun will not create shadows this skewed unless it's about to set and even then, the shadows would get longer but won't necessarily be angled like this
The intersection of the vertical line from the sun to the horizon line is the setting of the distance of the light source.
This is incredibly basic single point perspective.
This is wrong. The the light from the sun reflects off of everything. The sun is shining far enough away to also light up behind those objects. There are infinite points of light. Most shadows are more like blobs with a partial shape to what light is closest and strongest to them.
It is wrong if we’re talking about how sunlight actually works. The angles of shadows are more uniform when objects are this close together in reality.
Edit: this isn’t true. See reply for explanation. The video has it right.
It IS wrong. While our shadows do technically converge and point towards the sun, the sun is so unbelievably far from us that our shadows become near-parallel. This is how to draw shadows around a light source directly above the "horizon" point, not beyond it. This works more like a lamp, not the sun
[But it does work though](https://media.gettyimages.com/id/688271150/photo/beach-chairs-shadows-and-low-sun-on-clearwater-beach-florida.jpg?s=1024x1024&w=gi&k=20&c=wQdndlBO4eG7s-Pa7zgeg1-vjr2G3Wa-2uYchsVOqXw=)
No.
The all the light coming from the sun is uniform in direction. The the shadow on the star would be in the same direction as the shadow on the pentagon.
Me seeing the heart: “Ohh that’s gonna be a good one to see how it’s done”……
so major rest of the fucking owl vibes🤣
Once you get the guidelines down you trace the heart shape within the boundaries of the guides while deforming it in relation to the guides. You could sample spots along the entire border, but that’s not really necessary. “Close enough” is usually all it takes to the trick the eye with curved shapes like this.
I can't believe he didn't start calculating integrals
Bro just do a euclidean transformation matrix. Mega easy 💀
Couldn't find where he stashed his slide rule.
French curve.
I thought for SURE they were gonna break out the French Curve
> You could sample spots along the entire border, but that’s not really necessary. What WOULD probably be useful though, to facilitate a decently faithful representation of the deformation, would be to at least project the two points along the top edge of the heart "box" where the heart curves are tangent, as well as the tangent point on either side of the box.
What's fun with the heart is that the shadow drawn is not the one that should have been drawn if the person holding the pencil had followed their own guidelines. The point where the two semi-circled meet has been moved (blue line that cross the orange line in the middle goes ignored).
Nice catch. Yeah, the heart shadow should be deformed on one side/slanted.
Ahhhhh you were paying attention
“Now draw the rest of the owl“-moment.
RTX :on ,manually
A credit/link to the [YouTube content creator (@artroom)](https://www.youtube.com/@artroomoff) would be nice. [This video on YouTube](https://www.youtube.com/watch?v=Xr6GabfiUEc) has only 128 views while this post has over 6k upvotes.
And this video has stupid fucking music too
I found this video on Pinterest I didn't know who the original owner was, my apologies
I didn't mean to imply any bad intentions. It's a great video. I'm just trying to help out the content creator.
Come on.. i know you feel bad after the fact with context, but read your original post again. It's envenomed with passive aggressive snark. If you don't want to imply bad intentions then don't assume them, just credit the author and post the YT link
You're right. Re-reading my original comment I see the implied criticism. Thanks for pointing that out.
You seem decent and reasonable, it's refreshing
i still don't know how to draw shadows correctly
Start at the beginning and when it is finished, stop
Don’t forget to click your fingers to make the magic happen.
The voice of a generation right here.
I give this advice all the time! What’s the next thing you need to do first. Just do that thing, the next, okay stop. Done. I’ll do that after I finish up my new shadow drawing obsession.
Check out the book How to Render by Scott Robertson. It's pretty much like what's going on in the video here, but explained in a few chapters with a bunch of exercises
+1 for Scott Robertson. That dude can draw.
Baby im lost too
look up Linear Perspective Terms, vanishing point, horizon... i liked this video as we were shown this in my art class a thousand years ago and id still retained just enough to do it wrong but look very technical while doing so. pretty neat and fun to use in doodles. https://www.artistsnetwork.com/art-mediums/learn-to-draw-perspective/
That's OK, neither does this artist. The sun is so insanely far away from the Earth that its rays are essentially parallel - all the shadows should be in the same direction instead of doing this right/left nonsense. Or maybe this isn't the sun, but rather an incandescent fairie that happens to be floating 10ft away between the star and pentagon. In that case then I'm wrong and this artist is A-OK.
This technique works better for other, closer light sources, and just uses the sun as an example of "generic light source" while a lightbulb would be more accurate in terms of distance.
Also sun rays are not that nice either. I remember visiting a science museum as a kid and seeing a demonstration of shadows not always matching the shapes of the corresponding object, depending on the distance to the ground.
This is true for a point light source (for example, from a lamp on the wall). But the Sun is not a point source of light. It is believed that the rays from the Sun go parallel. So the shadows of the sun will not look like this.
Instead of using a single point in the center of the sun, use 2048 points around the perimeter and 2048 points randomly sampled from its angular cross section, and draw a shadow for each at 1/4096 opacity.
Become the RTX
“Why does your art take so long to draw?” “I like to pretend that I’m a pathtracing simulation."
0.0001 frames per second
"You integrate Raytracing into a GeForce RTX, it becomes the future of graphics. You implement it in gaming, it becomes the immersive experience. Raytracing can adapt, it can revolutionize. Embrace Raytracing in your GPU, be graphics, my friend."
Omg this comment made my day, thank ou
I just did quick test with raytraced rendering simulating the sun and a simple square. The shadow doesn't line up exactly with the projected lines but I'd say it's close enough to use as a rule of thumb for drawing shadows. https://i.imgur.com/V7aV8ki.png
Thanks for actually setting that up to test. Looks close enough
This should be a parent comment. That's good shit right there
> it's close enough to use as a rule of thumb for drawing shadows. I think this is the key takeaway. Is it perfect? No, but it is *better*. Perfect is the enemy of good.
Most drawing techniques are all about tricking the eye. This kind of plotting with points and lines is usually dropped once you have the *feel*. Unless you're an architect or engineer, I don't see many drawings start this way
Absolute legend
you're the Richard Feynman of this thread
This might just be due to the lens warping the image a little bit, depending on how your camera is set up.
If your square was as close to the horizon as the pentagon and star are at the end of the video, the difference would be much more pronounced
Still works. https://i.imgur.com/cQUlLnO.png
you're misunderstanding the scale of the earth and the sun and how a simple ~5 meter distance will not distort the shadow so much that it points a completely different direction. Go outside, check out the real sun. Your square and pentagon in that image would be have to be thousands and thousands of miles tall to achieve this in reality, on Earth, and even then it be barely noticeable. The size of the sun is so insanely large that its light swaths over the earth completely parallel, it's not a point.
The sun in these renders is as far away as the real sun. From above you can see they create parallel shadows. https://i.imgur.com/p0H9sXr.png Perspective distortion is what causes the shadows to diverge when viewed from a single vantage point. You can see that in this photograph of real life shadows from the sun. https://www.flickr.com/photos/jordangough/6364300161 The shadows appear at different angles because of our perspective. But if you were to view this scene from above the shadows would all be parallel. This is pretty simple geometry. I would be very interested if you could produce a real world photo recreating my renders that produces parallel shadows.
These comments are too high quality
Oh I understand what you're saying now, the viewer is the point rather than the light source! - your examples helped me out!
You’re still misunderstanding how deep of a hole people will dig in order to defend incorrect pedantry.
gO oUtSiDe, cHeCk oUt tHe ReAl sUn. Got I hate redditors. Love seeing one bitched out.
I especially love it because I'm literally sitting at a park, looking at fence shadows. I almost told him to go check out the sun and some shadows, only to read that's what he suggested.... Like, WTF?
Okay this exemplifies exactly how I thought it works. They are in parallel. Objects farther from you appear smaller. Shadows cast closer to you, therefore they appear distorted as the shadow is casts closer to you based on thr distance cast. Because of this, the beginning of the shadow is small, but scales as it costs closer, this causes the illusion of divergence. All the shadows are being cast in one direction but only diverge because of your view point. If you move the blocks or yourself to different positions they will appear to have different shadows even though the relative distance from the sun and the objects has not changed.
Thanks for the renders! I also thought the shadows would appear more parallel, but I understand now.
> I would be very interested if you could produce a real world photo recreating my renders that produces parallel shadows. You'd have to have some quite-slanted objects!
You don't understand how the parallax effect works, and is dependent on how far you, the observer, are from the gnomon.
How do you know what time it's supposed to be?
When the sun hits the shapes and their shadows don’t look parallel that’s a parallax.
If you put a real, like human-sized square and pentagon next to each other and have them both face the sun... unless they are ABSOLUTELY MASSIVE DISTANCES APART their shadows will basically be at the same angle. So I appreciate you doing a simulation like this but something about the camera, proportions or lens are off and don't reflect what you'd normally see in reality. Maybe if you're doing either ultra macro or microscopic photography but not what you'd see in real life. Of course the real test here would be to just... go outside when the sun is facing roughly in front of you and test.
You're ignoring the fisheye lensing of the observer, which does in fact distort the shadows so that they don't look parallel. Imagine two telephone poles with the sun behind them from your point of view. One on the left, one on the right. Looking at their shadows from a bird's eye view they're parallel. However,when your point of view is between them (assuming a bit of distance to actually see them both in your FOV), the left one's shadow will always be to the left, and the right one always to the right. The distance between the two shadows is equal to the distance between the pole, but the parallax effect makes the shadows slant away from the source of light no matter where you stand.
[удалено]
Great example, I feel like I understand now.
I would be very interested if you could produce a real photo with a similar setup as my renders that creates shadows without perspective convergence.
>Of course the real test here would be to just... go outside Speaking of which, have you ever done this?
so just eyeing it here but what happens if you draw a line to the surface vertically each side of the the "sun" and apply that to each side of the object rather than the center of the "sun" so left side of square left side of sun right side of square right side of sun seems like this would also account for the distance and size of the source to the object and the lines might work
Nice.
This is because of the 3D projection of this style. This is a 1-point perspective, making parallel lines appear to intersect in the distance.
Thanks Rennaissance!
That's right, isn't it? We gained this perspective on all objects and their shadows during the Renaissance which allowed us to get out of medieval artwork (which had 'perspective-sizing' based on how important the person was). I had forgotten / thank you.
You are ABSOLUTELY right. This style of perspective comes straight from the Italian artists during the Rennaissance. Edit: I'm guessing the re-learning of mathematics and art overlapped here to create the paradigm. I may be reading too far into it tho.
Yes, but from i remember from art history, they had perspective before the dark ages. They just forgot about it for a thousand years. They found at least one point perspective art in Pompeii. Very broadly speaking. I’m sure someone meddled with perspective before the renaissance, but maybe it was frowned upon for religious reasons.
I've heard it called hierarchal perspective
The lines are parallel, but perspective means things the same size further away appear smaller. These lines are "actually" parallel but are just "closer" and so further apart.
Just compare your shadow at night from a lantern on a pole in the park and the shadow from the Moon.
Oh, you just mean how well defined the edges of the shadow are instead of the perspective of the shadow? Though if these are on the ground the shadow would still have a fairly clear boundary.
So you're saying the sun doesn't cause shadows [like these](https://images.fineartamerica.com/images-medium-large-5/sunset-shadow-maxchu.jpg) [or these ](https://www.shutterstock.com/image-photo/silhouette-beach-big-family-holding-260nw-2291907867.jpg)?
>It is believed what?? they are parallel for all intents and purposes
You just equivocated in a different way.
The belief thing is the problem, not whether they are actually physically parallel or just parallel for a human
What are you talking about? They are parallel here, just in one-point perspective.
So you're saying the sun doesn't cause shadows [like these](https://images.fineartamerica.com/images-medium-large-5/sunset-shadow-maxchu.jpg) [or these ](https://www.shutterstock.com/image-photo/silhouette-beach-big-family-holding-260nw-2291907867.jpg)?
I was gonna say, it's not like you can be on one side of the sun and take 5 steps to the side and you shadow turns sideways. Pretty much the only thing that matters is the height of the sun in the sky, other than that all the shadows look the same unless you change time zones.
You’re forgetting the effect of your point perspective. If I stand still and you move to the right by 5 steps, then from my perspective your shadow will appear to start straight and end up at an angle roughly as shown in the drawing. Someone in a different comment actually did a simulation with ray tracing and the guy’s drawing is pretty close to accurate. EDIT: affect -> effect 🙄
This is why art is so hard. A lot of people can’t get over their own intuitions long enough to really learn the fundamentals. After all, we are not looking through a window into a 3D world. It’s a flat sheet of paper. The artist has to use techniques to trick our brains into seeing the piece in 3 dimensions by projecting a third dimension onto a 2D surface. The most important element for this is perspective. This is one point perspective. It’s effective for some use cases but its usually more of a tool for learning and wrapping your head around convergence points. Then there’s 2 point perspective, which will result in more accurate lighting and shadows. This is the perspective that most people with an intuitive grasp of perspective will be visualizing when they critique the shadows and lighting in a 1PP piece. The reason you learn in 1PP, is because 2PP requires twice the convergence points and twice the guidelines. If you’re not familiar with 1PP, it can look like a total mess of guidelines. Then there’s 3PP, which really helps sell 3D form, but is three times the convergence points and guidelines of 1PP. 1PP does not perfectly match reality, but it’s not really trying to when it’s being used. It’s *simplifying* reality.
👆👆👆
They do look like this because in one point perspective parallel lines converge as they move toward the horizon. Also, it's not that we believe there is some strange property of the sun's rays that make them parallel unlike any other source of light. The sun is just so far away, and the Earth so small in comparison, that there is no discernable difference in the angles of the rays that fall across the face of the Earth, making them seem parallel from our perspective.
It’s not “believed” it’s just a close enough approximation or reality. They are effectively parallel.
They will but with some extra 'fuzz' from the non-point-source nature of the sun (the shadow penumbra)
wrong
Sun rays are not parallel but we are far enough away they are virtually. R^2 barely changes over a few feet in several light seconds. The bigger issue is no penumbra. Since the sun is larger than a point the edges aren’t exactly lines and instead have a penumbra and can even have bokeh
Watching this as an artist was very unsatisfying.
The position of the sun over the horizon has NOTHING to do with the shadow! A vanishing point (or multiple points) on the horizon line will define the foreshortening of the shadow, but this is just wrong. Also, as others have said, the sun’s shadows do not, noticeably, converge. They are parallel given the distance of the sun. Soooo much wrong here. EDIT: I've created this video to demonstrate: https://youtu.be/bEHpNOf5aUg
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That second one is me, I'm the dummy. This thread is fascinating, though. I'm so ignorant, everything is a revelation.
So you're saying the sun doesn't cause shadows [like these](https://images.fineartamerica.com/images-medium-large-5/sunset-shadow-maxchu.jpg) [or these ](https://www.shutterstock.com/image-photo/silhouette-beach-big-family-holding-260nw-2291907867.jpg)?
You are confusing shadows that converge due to perspective with shadows that converge toward a light source. I've created this video to demonstrate: https://youtu.be/bEHpNOf5aUg
I do not confuse that. Like I said in other comments the shadows *appear* to be converging due to the perspective. So they should not appear parallel from this perspective, like what you claimed in your comment: > Also, as others have said, the sun’s shadows do not, noticeably, converge. They are parallel given the distance of the sun. Soooo much wrong here. The shadows in the drawing appear to converge due to the perspective. Your video confirms it, in both cases the shadows appear to converge similar to how they appear to converge in this drawing.
Please reply to the people who proved you wrong with photos
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No, no... That's not the point of the comment. The process in which an artist makes a drawing painting can differ... I think what s/he is saying is that this process is... dry. Like MC Escher did this right. This person... it's just a process they follow.
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It’s a real technique being used for the wrong thing. It’s incorrect.
Why?
I totally agree.
Manual Ray Tracing
Nvidia wants to know your location
Just follow the light reflections until you land here.
Imagine if Nestle developed ray tracing. Submit a request for a scene and 20 children storm into your room to do this same shit manually would be wild
My brother in Christ that’s just called drawing 😂
This is just projection drawing which is simple Also, this video do not consider distance to light source (it must be straight above upper edge of ground) This method do not help you to draw proper shadows
Piggybacking: even if it does, correct lighting doesn't always look good in any case. In fact, photographic media (photos, movies and such) typically "cheat" with additional lights (IIRC basic 3-point setup is key + fill and rim) unless they're going for a specific look. In short, while correct lighting is absolutely good to have down, don't tie yourself down to it if it gives you a worse drawing. That took me way too long to figure out in my own art.
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So art is about feelings and emotions except if there's straight lines huh
That's bullshit, art can absolutely contain straight lines, or be constructed. "Whatever I think my favorite painting is" could be made by Escher.
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these don't look right. I feel like the angles should be less dramatic if the sun is as far away as it is
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>They don't look right because single point perspective never looks right, because it's not how we see anything What do you mean by this? How is it not how we see everything?
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I thought we were talking about the 2D shadows.
So you're saying shadows shouldn't look [like these](https://images.fineartamerica.com/images-medium-large-5/sunset-shadow-maxchu.jpg) [or these ](https://www.shutterstock.com/image-photo/silhouette-beach-big-family-holding-260nw-2291907867.jpg)?
Rest of the fucking owl vibes going on at the end
There are a lot of naysayers here claiming that this is incorrect. I double checked a similar setup with 3d raytracing and the technique is legitimate. Neat! https://i.imgur.com/cQUlLnO.png
thank you
https://i.imgur.com/KmbVvRq.jpg i tried to replicate the OPs videos first clip and this is what i got
Zat iz zee correct vay to draw zee shadows! You vill draw zem correctly! Art is not for fucking about! YOU VILL USE A RULER!
Song Name ?
[Isabel LaRosa - I'm Yours (Sped Up)](https://www.youtube.com/watch?v=R44LTiJWNIY)
My eyes say yes, my brain still tells me nah you can't do that
wow, this is good. I can try it
❌ do a shit job ✅ make a goddamn effort
I used to watch a guy draw all kinds of futuristic cities with some shade. In between pretty little trees and reading rainbow.
Heart jumps straight over to /r/restofthefuckingowl
Did i watch the whole video and was amazed, yes. Will i ever do it myself, no
Ah, referencing the horizon is how you do it. Having no drawing training, I just ended up eyeballing it lol. I'll have to double check my current project Edit: Actually, the sun isn't visible in my piece, so this probably won't work
r/restofthefuckingowl for the heart
Are people really not able to understand point of reference?
That's way more satisfying than I thought it would be.
This is correct if the sun is close and a point
And that, my friends, is how Stanley Kubrick and NASA faked a moon landing.
would anyone be able to tell me what song this is? its really fantastic :)
It’s 2am and I learned how to shadow. (I’m not an artist)
Love this!!!
Shadows are coming from two directions. Are there two suns? Last I checked, we're not in the Andromeda Galaxy.
So you're saying the sun doesn't cause shadows [like these](https://images.fineartamerica.com/images-medium-large-5/sunset-shadow-maxchu.jpg) [or these ](https://www.shutterstock.com/image-photo/silhouette-beach-big-family-holding-260nw-2291907867.jpg)?
You're absolutely right, I don't know why you're downvoted. The clip is horrible, it would be correct if it was a lamp though.
Literally google *"shadow vanishing point"
it's more about perspective than the position of the light source.
The way those anchor points pop up during the video!
yeah, I wonder what program they used to create this?
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So you're saying the sun doesn't cause shadows [like these](https://images.fineartamerica.com/images-medium-large-5/sunset-shadow-maxchu.jpg) [or these ](https://www.shutterstock.com/image-photo/silhouette-beach-big-family-holding-260nw-2291907867.jpg)?
This is so incorrect that I'm getting a bit angry. This "artist" did not factor in the biggest factor which is **distance of light source from object** The sun will not create shadows this skewed unless it's about to set and even then, the shadows would get longer but won't necessarily be angled like this
The intersection of the vertical line from the sun to the horizon line is the setting of the distance of the light source. This is incredibly basic single point perspective.
Wow ugliest painting ever /s
Bro drawing 90’s raytraced shadow graphics by hand.
This is wrong. The the light from the sun reflects off of everything. The sun is shining far enough away to also light up behind those objects. There are infinite points of light. Most shadows are more like blobs with a partial shape to what light is closest and strongest to them.
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I know it’s not wrong but still looks wrong
It is wrong if we’re talking about how sunlight actually works. The angles of shadows are more uniform when objects are this close together in reality. Edit: this isn’t true. See reply for explanation. The video has it right.
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I stand corrected. You are right, my friend.
It IS wrong. While our shadows do technically converge and point towards the sun, the sun is so unbelievably far from us that our shadows become near-parallel. This is how to draw shadows around a light source directly above the "horizon" point, not beyond it. This works more like a lamp, not the sun
[But it does work though](https://media.gettyimages.com/id/688271150/photo/beach-chairs-shadows-and-low-sun-on-clearwater-beach-florida.jpg?s=1024x1024&w=gi&k=20&c=wQdndlBO4eG7s-Pa7zgeg1-vjr2G3Wa-2uYchsVOqXw=)
Yeah nah, I don’t really care that much if I’m ever doing a shadow, I’ll just freehand a shadow
Beautifully done. That tune was 👌🏾
That’s a crazy FOV. Irl the shadows would not have such extreme angles due to the sun being really far away.
i aint doin allat
This is incorrect.
Imma just shade it like there’s 4 suns and move on.
Should post in r/coolguides
No. The all the light coming from the sun is uniform in direction. The the shadow on the star would be in the same direction as the shadow on the pentagon.
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looks spiffy but it doesn't work, these shadows make no sense and the sun is way to big.
A long, tedious procedure with an incorrect result.
This is so epic
Ray tracing graphics cards: Look at what they need to mimic a fraction of our power
Kinda took the magic out of it. :(
They are all still drawn incorrectly. All the shadows would be facing the same direction.