1
0
mirror of synced 2024-12-05 04:27:56 +01:00
ImHex/plugins/builtin/romfs/shaders/default/vertex.glsl

36 lines
1.3 KiB
GLSL

#version 330 core
layout (location = 0) in vec3 in_Position;
layout (location = 1) in vec3 in_Normal;
/*uniform float time;*/
uniform float scale;
uniform vec3 rotation;
uniform vec3 translation;
out vec3 normal;
mat4 rotationMatrix(vec3 axis, float angle) {
axis = normalize(axis);
float s = sin(angle);
float c = cos(angle);
float oc = 1.0 - c;
return mat4(oc * axis.x * axis.x + c, oc * axis.x * axis.y - axis.z * s, oc * axis.z * axis.x + axis.y * s, 0.0,
oc * axis.x * axis.y + axis.z * s, oc * axis.y * axis.y + c, oc * axis.y * axis.z - axis.x * s, 0.0,
oc * axis.z * axis.x - axis.y * s, oc * axis.y * axis.z + axis.x * s, oc * axis.z * axis.z + c, 0.0,
0.0, 0.0, 0.0, 1.0);
}
mat4 viewMatrix(vec3 rotation) {
mat4 rotationX = rotationMatrix(vec3(1, 0, 0), rotation.x);
mat4 rotationY = rotationMatrix(vec3(0, 1, 0), rotation.y);
mat4 rotationZ = rotationMatrix(vec3(0, 0, 1), rotation.z);
return rotationX * rotationY * rotationZ;
}
void main() {
mat4 view = viewMatrix(rotation);
normal = (vec4(in_Normal, 1.0) * view).xyz;
gl_Position = vec4((in_Position + translation) * scale, 1.0) * view;
}