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authorjussi2022-02-18 18:27:10 +0200
committerjussi2022-02-18 18:27:10 +0200
commit6e4fdd3b3ae4e4656e151f098c40cfe551a36e8c (patch)
tree37e30d371ebd44dfc8bab0d33c26f0294bda5ae4 /examples/resources/shaders/glsl100/wave.fs
parent345cc1d5aa3b3c97e2cce453dc65a62c3e05427b (diff)
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Added initial files.
Diffstat (limited to 'examples/resources/shaders/glsl100/wave.fs')
-rw-r--r--examples/resources/shaders/glsl100/wave.fs36
1 files changed, 36 insertions, 0 deletions
diff --git a/examples/resources/shaders/glsl100/wave.fs b/examples/resources/shaders/glsl100/wave.fs
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+#version 100
+
+precision mediump float;
+
+// Input vertex attributes (from vertex shader)
+varying vec2 fragTexCoord;
+varying vec4 fragColor;
+
+// Input uniform values
+uniform sampler2D texture0;
+uniform vec4 colDiffuse;
+
+uniform float secondes;
+
+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) + (secondes * speedX)) * ampX * pixelWidth;
+ p.y += sin((fragTexCoord.x - boxLeft) * freqY * aspect / ( pixelHeight * 750.0) + (secondes * speedY)) * ampY * pixelHeight;
+
+ gl_FragColor = texture2D(texture0, p)*colDiffuse*fragColor;
+}