New Mesh Shader

Author: photonstorm

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

@@ -0,0 +1,45 @@
+module.exports = [
+    '#define SHADER_NAME PHASER_MESH_FS',
+    '',
+    'precision mediump float;',
+    '',
+    'uniform vec3 uLightPosition;',
+    'uniform vec3 uLightAmbient;',
+    'uniform vec3 uLightDiffuse;',
+    'uniform vec3 uLightSpecular;',
+    '',
+    'uniform vec3 uMaterialAmbient;',
+    'uniform vec3 uMaterialDiffuse;',
+    'uniform vec3 uMaterialSpecular;',
+    'uniform float uMaterialShine;',
+    '',
+    'uniform vec3 uCameraPosition;',
+    '',
+    'uniform sampler2D uTexture;',
+    '',
+    'varying vec2 vTextureCoord;',
+    'varying vec3 vNormal;',
+    'varying vec3 vPosition;',
+    '',
+    'void main (void)',
+    '{',
+    '    vec4 color = texture2D(uTexture, vTextureCoord);',
+    '',
+    '    vec3 ambient = uLightAmbient * uMaterialAmbient;',
+    '',
+    '    vec3 norm = normalize(vNormal);',
+    '    vec3 lightDir = normalize(uLightPosition - vPosition);',
+    '    float diff = max(dot(norm, lightDir), 0.0);',
+    '    vec3 diffuse = uLightDiffuse * (diff * uMaterialDiffuse);',
+    '',
+    '    vec3 viewDir = normalize(uCameraPosition - vPosition);',
+    '    vec3 reflectDir = reflect(-lightDir, norm);',
+    '    float spec = pow(max(dot(viewDir, reflectDir), 0.0), uMaterialShine);',
+    '    vec3 specular = uLightSpecular * (spec * uMaterialSpecular);',
+    '',
+    '    vec3 result = (ambient + diffuse + specular) * color.rgb;',
+    '',
+    '    gl_FragColor = vec4(result, color.a);',
+    '}',
+    ''
+].join('\n');

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

@@ -0,0 +1,29 @@
+module.exports = [
+    '#define SHADER_NAME PHASER_MESH_VS',
+    '',
+    'precision mediump float;',
+    '',
+    'attribute vec3 aVertexPosition;',
+    'attribute vec3 aVertexNormal;',
+    'attribute vec2 aTextureCoord;',
+    '',
+    'uniform mat4 uViewProjectionMatrix;',
+    'uniform mat4 uModelMatrix;',
+    'uniform mat4 uNormalMatrix;',
+    '',
+    'varying vec2 vTextureCoord;',
+    'varying vec3 vNormal;',
+    'varying vec3 vPosition;',
+    '',
+    'void main ()',
+    '{',
+    '    vTextureCoord = aTextureCoord;',
+    '',
+    '    vPosition = vec3(uModelMatrix * vec4(aVertexPosition, 1.0));',
+    '',
+    '    vNormal = vec3(uNormalMatrix * vec4(aVertexNormal, 1.0));',
+    '',
+    '    gl_Position = uViewProjectionMatrix * uModelMatrix * vec4(aVertexPosition, 1.0);',
+    '}',
+    ''
+].join('\n');

src/renderer/webgl/shaders/src/Mesh.frag

@@ -0,0 +1,42 @@
+#define SHADER_NAME PHASER_MESH_FS
+
+precision mediump float;
+
+uniform vec3 uLightPosition;
+uniform vec3 uLightAmbient;
+uniform vec3 uLightDiffuse;
+uniform vec3 uLightSpecular;
+
+uniform vec3 uMaterialAmbient;
+uniform vec3 uMaterialDiffuse;
+uniform vec3 uMaterialSpecular;
+uniform float uMaterialShine;
+
+uniform vec3 uCameraPosition;
+
+uniform sampler2D uTexture;
+
+varying vec2 vTextureCoord;
+varying vec3 vNormal;
+varying vec3 vPosition;
+
+void main (void)
+{
+    vec4 color = texture2D(uTexture, vTextureCoord);
+
+    vec3 ambient = uLightAmbient * uMaterialAmbient;
+
+    vec3 norm = normalize(vNormal);
+    vec3 lightDir = normalize(uLightPosition - vPosition);
+    float diff = max(dot(norm, lightDir), 0.0);
+    vec3 diffuse = uLightDiffuse * (diff * uMaterialDiffuse);
+
+    vec3 viewDir = normalize(uCameraPosition - vPosition);
+    vec3 reflectDir = reflect(-lightDir, norm);
+    float spec = pow(max(dot(viewDir, reflectDir), 0.0), uMaterialShine);
+    vec3 specular = uLightSpecular * (spec * uMaterialSpecular);
+
+    vec3 result = (ambient + diffuse + specular) * color.rgb;
+
+    gl_FragColor = vec4(result, color.a);
+}

src/renderer/webgl/shaders/src/Mesh.vert

@@ -0,0 +1,26 @@
+#define SHADER_NAME PHASER_MESH_VS
+
+precision mediump float;
+
+attribute vec3 aVertexPosition;
+attribute vec3 aVertexNormal;
+attribute vec2 aTextureCoord;
+
+uniform mat4 uViewProjectionMatrix;
+uniform mat4 uModelMatrix;
+uniform mat4 uNormalMatrix;
+
+varying vec2 vTextureCoord;
+varying vec3 vNormal;
+varying vec3 vPosition;
+
+void main ()
+{
+    vTextureCoord = aTextureCoord;
+
+    vPosition = vec3(uModelMatrix * vec4(aVertexPosition, 1.0));
+
+    vNormal = vec3(uNormalMatrix * vec4(aVertexNormal, 1.0));
+
+    gl_Position = uViewProjectionMatrix * uModelMatrix * vec4(aVertexPosition, 1.0);
+}