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BreakOut/postprocessing.vs
2022-10-20 15:40:28 +02:00

36 lines
733 B
GLSL

#version 330 core
layout (location = 0) in vec4 vertex;
out vec2 TexCoords;
uniform bool chaos;
uniform bool confuse;
uniform bool shake;
uniform float time;
void main()
{
gl_Position = vec4(vertex.xy, 0.0, 1.0);
vec2 texture = vertex.zw;
if( chaos)
{
float strength = 0.3;
vec2 pos = vec2(texture.x + sin(time) * strength, texture.y + cos(time) * strength);
TexCoords = pos;
}
else if (confuse)
{
TexCoords = vec2(1.0 - texture.x, 1.0 - texture.y);
}
else
{
TexCoords = texture;
}
if(shake)
{
float strength = 0.01;
gl_Position.x += cos(time * 10) * strength;
gl_Position.y += cos(time * 15) * strength;
}
}