16 lines
437 B
GLSL
16 lines
437 B
GLSL
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// Creates a bubble (wave) effect by distorting the texture depending on time
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uniform float time;
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varying vec2 uv;
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void main()
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{
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gl_TexCoord[0] = gl_MultiTexCoord0;
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gl_Position = ftransform();
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float delta_x = cos(time*3.0) * sin( 4.0 * gl_TexCoord[0].st.s * 6.28318531 );
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float delta_y = cos(time*2.0) * sin( 3.0 * gl_TexCoord[0].st.t * 6.28318531 );
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uv = gl_TexCoord[0].st + vec2(0.02*delta_x, 0.02*delta_y);
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}
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