diff options
1 files changed, 40 insertions, 0 deletions
| -rw-r--r-- | Year 2/Computer Graphics with WebGL/Project/shaders.js | 40 |
diff --git a/Year 2/Computer Graphics with WebGL/Project/shaders.js b/Year 2/Computer Graphics with WebGL/Project/shaders.js new file mode 100644 index 0000000..d936756 --- /dev/null +++ b/Year 2/Computer Graphics with WebGL/Project/shaders.js @@ -0,0 +1,40 @@ +var vShader =`
+ uniform mat4 uProjectionMatrix;
+ uniform mat4 uViewMatrix;
+ uniform mat4 uModelMatrix;
+ uniform mat4 uNormalMatrix;
+ uniform bool uUseNormalMatrix;
+
+ uniform vec3 uAmbientColor;
+ uniform vec3 uDiffuseColor;
+
+ uniform vec3 uLightDir;
+
+ attribute vec3 aXYZ;
+ attribute vec3 aColor;
+ attribute vec3 aNormal;
+
+ varying vec3 vColor;
+
+ void main ()
+ {
+ mat4 mvMatrix = uViewMatrix * uModelMatrix;
+ gl_Position = uProjectionMatrix * mvMatrix * vec4(aXYZ,1);
+ mat4 nMatrix = uUseNormalMatrix?uNormalMatrix:mvMatrix;
+
+ vColor = uAmbientColor*aColor;
+
+ vec3 light = normalize(-uLightDir);
+ vec3 normal = vec3(normalize(nMatrix*vec4(aNormal,0)));
+ vColor += aColor*uDiffuseColor*max(dot(normal,light),0.0);
+ }
+`;
+
+var fShader = `
+ precision mediump float;
+ varying vec3 vColor;
+ void main()
+ {
+ gl_FragColor = vec4(vColor,1);
+ }
+`;
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