stk-code_catmod/data/shaders/instanced_grass.vert
2014-04-10 21:16:44 +02:00

36 lines
910 B
GLSL

layout (std140) uniform MatrixesData
{
mat4 ViewMatrix;
mat4 ProjectionMatrix;
mat4 InverseViewMatrix;
mat4 InverseProjectionMatrix;
mat4 ShadowViewProjMatrixes[4];
};
uniform vec3 windDir;
in vec3 Origin;
in vec3 Orientation;
in vec3 Scale;
in vec3 Position;
in vec3 Normal;
in vec2 Texcoord;
in vec4 Color;
out vec3 nor;
out vec2 uv;
mat4 getWorldMatrix(vec3 translation, vec3 rotation, vec3 scale);
mat4 getInverseWorldMatrix(vec3 translation, vec3 rotation, vec3 scale);
void main()
{
mat4 ModelMatrix = getWorldMatrix(Origin + windDir * Color.r, Orientation, Scale);
mat4 TransposeInverseModelView = transpose(getInverseWorldMatrix(Origin + windDir * Color.r, Orientation, Scale) * InverseViewMatrix);
gl_Position = ProjectionMatrix * ViewMatrix * ModelMatrix * vec4(Position, 1.);
nor = (TransposeInverseModelView * vec4(Normal, 0.)).xyz;
uv = Texcoord;
}