Default shader

Author: photonstorm

src/renderer/webgl/shaders/QuadShader-frag.js

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+module.exports = [
+    '#define SHADER_NAME PHASER_QUAD_SHADER_FS',
+    '',
+    'precision mediump float;',
+    '',
+    'uniform float time;',
+    'uniform vec2 resolution;',
+    'uniform vec2 mouse;',
+    '',
+    'varying vec2 fragCoord;',
+    '',
+    'vec3 hsv2rgb (vec3 c)',
+    '{',
+    '  vec4 K = vec4(1.0, 2.0 / 3.0, 1.0 / 3.0, 3.0);',
+    '  vec3 p = abs(fract(c.xxx + K.xyz) * 6.0 - K.www);',
+    '  return c.z * mix(K.xxx, clamp(p - K.xxx, 0.0, 1.0), c.y);',
+    '}',
+    '',
+    'void main (void)',
+    '{',
+    '    // Normalized pixel coordinates (from 0 to 1)',
+    '    // vec2 uv = fragCoord / resolution.xy;',
+    '',
+    '    // Time varying pixel color',
+    '    // vec3 col = 0.5 + 0.5 * cos(time + uv.xyx + vec3(0,2,4));',
+    '',
+    '    // gl_FragColor = vec4(col, 1.0);',
+    '',
+    '	// vec2 gg = gl_FragCoord.xy;',
+    '	vec2 gg = fragCoord.xy;',
+    '	float bins = 10.0;',
+    '	vec2 pos = (gg / resolution.xy);',
+    '',
+    '    // https://www.khronos.org/registry/OpenGL-Refpages/gl4/html/gl_FragCoord.xhtml',
+    '',
+    '    // vec2 pos = vec2(resolution.x / gl_FragCoord.x, resolution.y / gl_FragCoord.y);',
+    '',
+    '	float bin = floor(pos.x * bins);',
+    '',
+    '	gl_FragColor = vec4(hsv2rgb(vec3(bin/bins, 0.5, 1.0)), 1.0);',
+    '}',
+    ''
+].join('\n');

src/renderer/webgl/shaders/QuadShader-vert.js

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+module.exports = [
+    '#define SHADER_NAME PHASER_QUAD_SHADER_VS',
+    '',
+    'precision mediump float;',
+    '',
+    '//  These are set in ModelViewProjection.mvpUpdate',
+    'uniform mat4 uProjectionMatrix;',
+    'uniform mat4 uViewMatrix;',
+    'uniform mat4 uModelMatrix;',
+    '',
+    '//  These are set in QuadShaderPipeline',
+    'attribute vec2 inPosition;',
+    '',
+    'varying vec2 fragCoord;',
+    '',
+    'void main ()',
+    '{',
+    '    gl_Position = uProjectionMatrix * uViewMatrix * uModelMatrix * vec4(inPosition, 1.0, 1.0);',
+    '',
+    '    fragCoord = inPosition;',
+    '}',
+    ''
+].join('\n');

src/renderer/webgl/shaders/src/QuadShader.frag

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+#define SHADER_NAME PHASER_QUAD_SHADER_FS
+
+precision mediump float;
+
+uniform float time;
+uniform vec2 resolution;
+uniform vec2 mouse;
+
+varying vec2 fragCoord;
+
+vec3 hsv2rgb (vec3 c)
+{
+  vec4 K = vec4(1.0, 2.0 / 3.0, 1.0 / 3.0, 3.0);
+  vec3 p = abs(fract(c.xxx + K.xyz) * 6.0 - K.www);
+  return c.z * mix(K.xxx, clamp(p - K.xxx, 0.0, 1.0), c.y);
+}
+
+void main (void)
+{
+    // Normalized pixel coordinates (from 0 to 1)
+    // vec2 uv = fragCoord / resolution.xy;
+
+    // Time varying pixel color
+    // vec3 col = 0.5 + 0.5 * cos(time + uv.xyx + vec3(0,2,4));
+
+    // gl_FragColor = vec4(col, 1.0);
+
+	// vec2 gg = gl_FragCoord.xy;
+	vec2 gg = fragCoord.xy;
+	float bins = 10.0;
+	vec2 pos = (gg / resolution.xy);
+
+    // https://www.khronos.org/registry/OpenGL-Refpages/gl4/html/gl_FragCoord.xhtml
+
+    // vec2 pos = vec2(resolution.x / gl_FragCoord.x, resolution.y / gl_FragCoord.y);
+
+	float bin = floor(pos.x * bins);
+
+	gl_FragColor = vec4(hsv2rgb(vec3(bin/bins, 0.5, 1.0)), 1.0);
+}

src/renderer/webgl/shaders/src/QuadShader.vert

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+#define SHADER_NAME PHASER_QUAD_SHADER_VS
+
+precision mediump float;
+
+//  These are set in ModelViewProjection.mvpUpdate
+uniform mat4 uProjectionMatrix;
+uniform mat4 uViewMatrix;
+uniform mat4 uModelMatrix;
+
+//  These are set in QuadShaderPipeline
+attribute vec2 inPosition;
+
+varying vec2 fragCoord;
+
+void main () 
+{
+    gl_Position = uProjectionMatrix * uViewMatrix * uModelMatrix * vec4(inPosition, 1.0, 1.0);
+
+    fragCoord = inPosition;
+}