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raymarch_buffers.json
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raymarch_buffers.json
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"#ifdef GL_ES\nprecision mediump float;\n#endif\n\nuniform sampler2D u_buffer0;\nuniform vec2 u_resolution;\nuniform float u_time;\n\n// SPACE\n#define RESOLUTION u_resolution\n\n#define RAYMARCH_MULTISAMPLE 4\n#define RAYMARCH_AOV 2\n#define RAYMARCH_AMBIENT vec3(0.1)\n#define RAYMARCH_BACKGROUND (RAYMARCH_AMBIENT)\n\n#include \"lygia/space/ratio.glsl\"\n#include \"lygia/sdf.glsl\"\n#include \"lygia/math/map.glsl\"\n#include \"lygia/lighting/raymarch.glsl\"\n#include \"lygia/color/space/linear2gamma.glsl\"\n\nfloat checkBoard(vec2 uv, vec2 _scale) {\n uv = floor(fract(uv * _scale) * 2.0);\n return min(1.0, uv.x + uv.y) - (uv.x * uv.y);\n}\n\nMaterial raymarchMap( in vec3 pos ) {\n float check = 0.5 + checkBoard(pos.xz, vec2(1.0, 1.0)) * 0.5;\n Material res = materialNew(vec3(check), 0.0, 0.5, planeSDF(pos));\n\n res = opUnion( res, materialNew( vec3(1.0, 1.0, 1.0), 1.0, 0.0, sphereSDF( pos-vec3( 0.0, 0.60, 0.0), 0.5 ) ) );\n res = opUnion( res, materialNew( vec3(0.0, 1.0, 1.0), boxSDF( pos-vec3( 2.0, 0.5, 0.0), vec3(0.4, 0.4, 0.4) ) ) );\n res = opUnion( res, materialNew( vec3(0.3, 0.3, 1.0), torusSDF( pos-vec3( 0.0, 0.5, 2.0), vec2(0.4,0.1) ) ) );\n res = opUnion( res, materialNew( vec3(0.3, 0.1, 0.3), capsuleSDF( pos,vec3(-2.3, 0.4,-0.2), vec3(-1.6,0.75,0.2), 0.2 ) ) );\n res = opUnion( res, materialNew( vec3(0.5, 0.3, 0.4), triPrismSDF( pos-vec3(-2.0, 0.50,-2.0), vec2(0.5,0.1) ) ) );\n res = opUnion( res, materialNew( vec3(0.2, 0.2, 0.8), cylinderSDF( pos-vec3( 2.0, 0.50,-2.0), vec2(0.2,0.4) ) ) );\n res = opUnion( res, materialNew( vec3(0.7, 0.5, 0.2), coneSDF( pos-vec3( 0.0, 0.75,-2.0), vec3(0.8,0.6,0.6) ) ) );\n res = opUnion( res, materialNew( vec3(0.4, 0.2, 0.9), hexPrismSDF( pos-vec3(-2.0, 0.60, 2.0), vec2(0.5,0.1) ) ) );\n res = opUnion( res, materialNew( vec3(0.1, 0.3, 0.6), pyramidSDF( pos-vec3( 2.0, 0.10, 2.0), 1.0 ) ) );;\n\n return res;\n}\n\nvoid main() {\n vec4 color = vec4(0.0, 0.0, 0.0, 1.0);\n vec2 pixel = 1.0/u_resolution;\n vec2 st = gl_FragCoord.xy * pixel;\n vec2 uv = ratio(st, u_resolution);\n float time = PI + u_time;\n\n vec3 cam = vec3( 4.5*cos(0.1*time), 2.2, 4.5*sin(0.1*time) );\n\n float depth = 0.0;\n Material mat;\n \n color = raymarch(cam, vec3(0.0), uv, depth, mat);\n\n#if defined(BUFFER_0) \n color.rgb = vec3( map(depth, length(cam) * 0.5, length(cam) * 3., 1.0, 0.0) );\n \n#elif defined(BUFFER_1)\n color.rgb = mat.albedo.rgb;\n \n#elif defined(BUFFER_2)\n color.rgb = mat.normal * 0.5 + 0.5;\n \n#elif defined(BUFFER_3)\n color.rgb = mat.position;\n \n \n#else\n color = linear2gamma(color);\n \n#endif\n\n gl_FragColor = color;\n}",
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