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Hello! I'm upgrading my code, StandardMaterial to ShaderMeterial. my scene colors are scene.clearColor = new BABYLON.Color3(0,0,0); scene.ambientColor = new BABYLON.Color3(1,1,1); and before standardMaterial initializing is like mat = new BABYLON.StandardMaterial('material', scene); mat.ambientColor = new BABYLON.Color3(1,1,1); mat.diffuseTexture = texture.texture; mat.opacityTexture = texture.texture; and new shaderMeterial initializing is like var route = { vertex: "custom", fragment: "custom", }; var options = { needAlphaBlending : true, needAlphaTesting: true, attributes: ["position", "normal", "uv"], uniforms: ["world", "worldView", "worldViewProjection", "view", "projection"] }; mat = new BABYLON.ShaderMaterial('shader', scene, route, options); mat.backFaceCulling = false; mat.setTexture('map', texture.texture); shader code is below BABYLON.Effect.ShadersStore["customVertexShader"]= "precision highp float;\r\n"+ "// Attributes\r\n"+ "attribute vec3 position;\r\n"+ "attribute vec2 uv;\r\n"+ "attribute vec4 color;\r\n"+ "// Uniforms\r\n"+ "uniform mat4 worldViewProjection;\r\n"+ "// Varying\r\n"+ "varying vec2 vUv;\r\n"+ "varying vec4 vColor;\r\n"+ "void main() {\r\n"+ " vUv = uv;\r\n"+ " vColor = color;\r\n"+ " vec4 p = vec4( position, 1. );\r\n"+ " gl_Position = worldViewProjection * p;\r\n"+ "}\r\n"; BABYLON.Effect.ShadersStore["customFragmentShader"]= "precision highp float;\r\n"+ "varying vec2 vUv;\r\n"+ "varying vec4 vColor;\r\n"+ "uniform sampler2D map;\r\n"+ "void main(void) {\r\n"+ " gl_FragColor = texture2D(map, vUv)*vColor;\r\n"+ "}\r\n"; but results are different. before vs after how to make shaderMaterial color like standardMaterial color?