procedural-3d-engine/shaders/glsl/texturecubemaparray/reflect.vert
2023-05-09 21:03:02 +02:00

30 lines
668 B
GLSL

#version 450
layout (location = 0) in vec3 inPos;
layout (location = 1) in vec3 inNormal;
layout (binding = 0) uniform UBO
{
mat4 projection;
mat4 model;
mat4 invModel;
float lodBias;
int cubeMapIndex;
} ubo;
layout (location = 0) out vec3 outPos;
layout (location = 1) out vec3 outNormal;
layout (location = 2) out vec3 outViewVec;
layout (location = 3) out vec3 outLightVec;
void main()
{
gl_Position = ubo.projection * ubo.model * vec4(inPos.xyz, 1.0);
outPos = vec3(ubo.model * vec4(inPos, 1.0));
outNormal = mat3(ubo.model) * inNormal;
vec3 lightPos = vec3(0.0f, -5.0f, 5.0f);
outLightVec = lightPos.xyz - outPos.xyz;
outViewVec = -outPos.xyz;
}