3D_sampleSWJGL/src/shaders/terrainVertexShader.txt

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#version 400 core
in vec3 position;
in vec2 textureCoords;
in vec3 normal;
out vec2 pass_textureCoords;
out vec3 surfaceNormal;
out vec3 toLightVector;
out vec3 toCameraVector;
uniform mat4 transformationMatrix;
uniform mat4 projectionMatrix;
uniform mat4 viewMatrix;
uniform vec3 lightPosition;
void main(void) {
vec4 worldPosition = transformationMatrix * vec4(position, 1.0);
gl_Position = projectionMatrix * viewMatrix * worldPosition;
pass_textureCoords = textureCoords;
surfaceNormal = (transformationMatrix * vec4(normal, 0.0)).xyz;
toLightVector = lightPosition - worldPosition.xyz;
toCameraVector = (inverse(viewMatrix) * vec4(0.0,0.0,0.0,1.0)).xyz - worldPosition.xyz;
}