bettola/assets/shaders/cloud.vert
Ritchie Cunningham a1c214caec [Add] Procedural cloud rendering.
Adds a skydome with two scrolling layers of procedurally generated
clouds to create an interestingish environment.
2025-09-18 20:18:02 +01:00

22 lines
504 B
GLSL

#version 330 core
layout (location = 0) in vec3 aPos;
out vec3 TexCoords;
uniform float u_Time;
uniform float u_ScrollSpeed;
uniform mat4 model;
uniform mat4 view;
uniform mat4 projection;
void main() {
TexCoords = aPos;
/* Rotate texture coords around Y axis for scrolling. */
float angle = u_Time * u_ScrollSpeed;
mat3 rot = mat3(cos(angle), 0, sin(angle), 0, 1, 0, -sin(angle), 0, cos(angle));
TexCoords = rot * TexCoords;
gl_Position = projection * view * model * vec4(aPos, 1.0);
}