Terrain Texture V2
| Substance Designer GrassV2 |
Based on the feedback from Stage B, I reworked both the grass and sand materials.
For the sand, I mainly lowered the saturation and brightness so it wouldn’t look so yellow.
For the grass, I pushed the style further and basically rebuilt the material from scratch, which took quite a bit more time.
Combined with the new grass billboard setup I made later, the updated grass material now gives a very nice overall grass look.
The Modified Parts
| Trees |
| Terrain Blending |
Now each tree no longer points along the landscape normal, but instead points straight up.
Also following the last round of suggestions, I researched how to achieve terrain blending in Unreal.
This setup mainly uses Virtual Textures. To make the terrain blend, I use two textures:
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One texture stores the landscape height.
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One texture stores the landscape material.
Once I have these two pieces of information, in the trunk material I compare the world-space vertex Z value with the landscape height, then use triplanar mapping to sample the landscape texture.
This gives me the terrain–trunk blending effect.
Grass V2
| The Reference "Sky" |
Again, based on the Stage B feedback, I decided to rebuild our grass and switch to another approach.
This time I collected references from Sky (a game made by the same team as Journey) and recreated a similar grass look.
I implemented billboard grass (always facing the camera) together with a wind system, and they work well.
The wind effect feels very soft and pleasant: each clump of grass sways gently in a regular rhythm.
Since I also have access to the landscape color information, I added that into the grass as well.
For each grass pivot in world space, I sample the landscape color and use it to tint the blades, so every grass clump matches the color of the terrain under it.
| Grass V2 Test |
Apple Tree & Bushes
| Bushes |
Finally, I also created an apple tree and some cute stylized bushes.
The apples on the tree use the same wind system as the leaves, so they also have a slight secondary motion and sway gently with the foliage.
The bushes are made almost the same way as the tree leaves, so I won’t repeat the process here.
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