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#version 330
// Input vertex attributes (from vertex shader)
in vec2 fragTexCoord;
in vec4 fragColor;
// Input uniform values
uniform sampler2D texture0;
uniform vec4 colDiffuse;
// Output fragment color
out vec4 finalColor;
uniform float seconds;
uniform vec2 size;
uniform float freqX;
uniform float freqY;
uniform float ampX;
uniform float ampY;
uniform float speedX;
uniform float speedY;
void main() {
float pixelWidth = 1.0 / size.x;
float pixelHeight = 1.0 / size.y;
float aspect = pixelHeight / pixelWidth;
float boxLeft = 0.0;
float boxTop = 0.0;
vec2 p = fragTexCoord;
p.x += cos((fragTexCoord.y - boxTop) * freqX / ( pixelWidth * 750.0) + (seconds * speedX)) * ampX * pixelWidth;
p.y += sin((fragTexCoord.x - boxLeft) * freqY * aspect / ( pixelHeight * 750.0) + (seconds * speedY)) * ampY * pixelHeight;
finalColor = texture(texture0, p)*colDiffuse*fragColor;
}
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