62 lines
2.0 KiB
JavaScript
62 lines
2.0 KiB
JavaScript
AFRAME.registerShader('floorShader', {
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schema: {
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color: {type: 'vec3', is: 'uniform', default: {x: 0, y: 0, z: 0}},
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normalMap: {type: 'map', is: 'uniform'},
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envMap: {type: 'map', is: 'uniform'},
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hitRight: {type: 'vec3', is: 'uniform', default: {x: 0, y: 1, z: 0}},
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hitLeft: {type: 'vec3', is: 'uniform', default: {x: 0, y: 0, z: 0}}
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},
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vertexShader: `
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varying vec2 uvs;
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varying vec3 worldPos;
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void main() {
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uvs.xy = uv.xy;
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vec4 p = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );
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worldPos = (modelMatrix * vec4( position, 1.0 )).xyz;
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gl_Position = p;
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}
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`,
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fragmentShader: `
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varying vec2 uvs;
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varying vec3 worldPos;
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uniform vec3 color;
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uniform sampler2D normalMap;
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uniform sampler2D envMap;
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uniform vec3 hitRight;
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uniform vec3 hitLeft;
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vec3 drawCircle(vec3 p, vec3 center, float radius, float edgeWidth, vec3 color) {
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return color*(1.0-smoothstep(radius, radius+edgeWidth, length(p-center)));
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}
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void main() {
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vec2 p = uvs.xy - 0.5;
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float border = smoothstep(0.49, 0.495, abs(p.x)) + smoothstep(0.49, 0.495, abs(p.y));
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p*= 4.0;
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vec3 col = color;
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vec3 col2 = color;
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vec4 outColor;
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col += drawCircle(worldPos, hitRight, 0.04, 0.05, vec3(1.0, 0.4, 0.4));
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col += drawCircle(worldPos, hitRight, 0.02, 0.005, vec3(1.0, 1.0, 1.0));
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col += drawCircle(worldPos, hitLeft, 0.04, 0.05, vec3(1.0, 0.4, 0.4));
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col += drawCircle(worldPos, hitLeft, 0.02, 0.005, vec3(1.0, 1.0, 1.0));
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vec3 normal = normalize(texture2D(normalMap, uvs).xyz);
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// environment reflection
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vec3 reflectVec = normalize(reflect(normalize(worldPos - cameraPosition), normal));
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//vec3 reflectView = normalize((viewMatrix * vec4(reflectVec, 0.0)).xyz + vec3(0.0, 0.0, 1.0));
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col2 = texture2D(envMap, reflectVec.xy * vec2(0.3, 1.0) + vec2(0.75, -cameraPosition.z * 0.05)).xyz * 0.08 + col;
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outColor = smoothstep(vec4(col2, 0.9 + col.x), vec4(1.0), vec4(border));
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gl_FragColor = outColor;
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}
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`
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});
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