Created
April 23, 2018 14:26
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Shader maker animated texture
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| // simple vertex shader | |
| varying vec2 texCoord; | |
| uniform float time; | |
| void main() | |
| { | |
| gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex; | |
| gl_FrontColor = gl_Color; | |
| gl_TexCoord[0] = gl_MultiTexCoord0; | |
| texCoord = vec2(gl_MultiTexCoord0); | |
| texCoord.x += time; | |
| } | |
| // simple fragment shader | |
| // 'time' contains seconds since the program was linked. | |
| uniform float time; | |
| uniform sampler2D myTexture; | |
| varying vec2 texCoord; | |
| vec3 dots() { | |
| float frequency = 0.5; | |
| vec2 nearest = 3.0*fract(frequency * texCoord) - 1.5; | |
| float dist = length(nearest); | |
| float radius = 1.0; | |
| vec3 white = vec3(1.0, 1.0, 1.0); | |
| vec3 dotCol = vec3(7.0, 3.0, 1.0); | |
| return mix(dotCol, white, smoothstep(radius, radius+0.05, dist)); | |
| } | |
| void main() | |
| { | |
| vec4 color = vec4(0.5); | |
| vec4 texel = texture2D(myTexture, texCoord); | |
| //gl_FragColor = vec4(1.0, 1.0, 0.0, 1.0); | |
| if (texCoord.y > 2.0) { | |
| texel.rgb = vec3(0.2) * dots(); | |
| } else { | |
| texel.rgb = vec3(0.5);// * dots(); | |
| } | |
| if (texCoord.x < 0.5) { | |
| color.rbg = vec3(1.0, 0.2, 0.2); | |
| } | |
| gl_FragColor = texel * color; | |
| } |
Author
GunnarKarlsson
commented
Apr 23, 2018
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