Ogre's Ocean Example understands

Source: Internet
Author: User

Today the ogre Ocean of the shader part of the code is read, summed up as follows:

1. In VS, calculate the height at each vertex by overlaying two sine functions.

2. Since the location of the vertex is constructed, its tangent space is not the same, so in VS, the partial differential method calculates its normal, sub-normals, tangent space.

3. Calculate the emission vector in PS and sample the cube emission map.

4.PS in the line of sight and normal dot product value determines the water color in the depth.

5. The Fresnel coefficient determines the color of the water surface and the reflected color ratio, determining the final color.

Ogre's Ocean Example understands

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