Golf Course Grass URP Shader

Main Goal

We need to get a special Unity 3d grass shader with texture assets and materials setup for mobile devices on URP rendering systems by using

Shader Graph. This shader should work on low-end devices and give a good level of graphics.

Shader features:

1. The basis of the shader will be tiling material with a ready-made grass texture pattern.

2. Shader must have color, normal, specular, occlusion texture maps. Material settings interface (Textures fields, tiling and offset, Color Tint,

normal power, smoothness, specular, occlusion power).

3. Using two types of texture maps for near and far camera distance from the surface. Blending between these sets of texture maps. For the

near option display the main texture set. At a distance display an additional color and normal map set. Material settings interface (Color

and normal textures field for distance maps, color tint, tiling and offset, start blend distance, end blend distance, blend power).

4. Pixel parallax using an additional height map. The parallax system should have LOD system, displaying only at the near camera distance

from the grass surface. Material settings interface (height map, tiling and offset, height amplitude, step, LOD threshold, LOD distance

start, LOD distance end).

5. Noise system for implementation additional details on surface. Details noise with tint color displaying by using noise texture map. Details

noise should have two visualization options one on near camera distance and second for far camera distance from the grass surface with

blending system. Noise system should be dependence on Noise texture map and surface normal vectors (be larger on extreme surface

elevations). Material settings interface (Noise tint color, noise map, map tiling and offset, blending start and distance and power).

6. Border Color Tint System. All hard border edges should have strong color tint effect. This effect is losing power dependence far camera

distance from the grass surface. Material settings interface (tint color, blend min, blend max, LOD start, LOD end.)

7. All material interface parameters should supply us to create different types of grass materials (grass patterns and height).

Additional description

The visual effect of the shader is achieved using the main and additional texture patterns without information from UV map on the surface mesh. It

works correct on any types of UV maps. Therefore, it is necessary to apply the methods of procedural management of textures and additional

details. For development materials you need to create texture patterns for different grass surface and setup shader parameters for a test.

Development Resources

For an additional understanding objectives of the task and acceleration of work, we provide the following resources:

- Shader prototype made for the HDRP Unity 3d rendering system using Shader Graph.

- Additional subshaders and nodes.

- Pack of textures.

- Models of grass shapes (fbx format)

- Visualization references.

Skills: Unity 3D, 3D Modelling, 3D Animation, 3D Rendering, Mobile App Development

About the Employer:
( 0 reviews ) Ukraine

Project ID: #24770987

7 freelancers are bidding on average $534 for this job


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