glslViewer Shader: devlook

devlook.json

{
  "frag": "#version 100\n\n#ifdef GL_ES\nprecision mediump float;\n#endif\n\n// IBL\nuniform samplerCube             u_cubeMap;\nuniform vec3                    u_SH[9];\n\nuniform mat4                    u_viewMatrix;\n\nuniform vec3                    u_camera;\nuniform float                   u_cameraDistance;\nuniform float                   u_cameraNearClip;\nuniform float                   u_cameraFarClip;\n\nuniform vec2                    u_resolution;\n#define RESOLUTION              u_resolution\nuniform vec2                    u_mouse;\nuniform float                   u_time;\n\n\n// Shadow\nuniform sampler2D               u_lightShadowMap;\nuniform mat4                    u_lightMatrix;\nuniform vec3                    u_light;\nuniform vec3                    u_lightColor;\nuniform float                   u_lightIntensity;\nvarying vec4                    v_lightCoord;\n#define LIGHT_DIRECTION         u_light\n#define LIGHT_COORD             v_lightCoord\n#define LIGHT_COLOR             u_lightColor\n#define LIGHT_INTENSITY         u_lightIntensity\n\n// Surface position (from vertex shader - common)\nvarying vec4                    v_position;\n#define SURFACE_POSITION        v_position\n\n// More model data (from vertex shader - common)\n#define MODEL_VERTEX_TANGENT    v_tangent\nvarying vec4                    v_color;\nvarying vec3                    v_normal;\n#define MODEL_VERTEX_NORMAL     v_normal\nvarying vec2                    v_texcoord;\n#define MODEL_VERTEX_TEXCOORD   v_texcoord\n\n\n#if defined(DEVLOOK_SPHERE_0) || defined(DEVLOOK_SPHERE_1)\n// The 2 spheres (dialectic/metallic) have camera at a constant distance\n#define CAMERA_POSITION     (normalize(u_camera) * 3.0)\n#elif defined(DEVLOOK_BILLBOARD_0)\n// The color check billboard has a fixed camera\n#define CAMERA_POSITION     vec3(0.0, 0.0, 3.0) \n#else\n#define CAMERA_POSITION     u_camera\n#endif\n\n\n#include \"lygia/space/ratio.glsl\"\n#include \"lygia/color/space/rgb2srgb.glsl\"\n#include \"lygia/color/space/srgb2rgb.glsl\"\n\n// Filter\n#include \"lygia/sample/clamp2edge.glsl\"\n#include \"lygia/space/linearizeDepth.glsl\"\n\n\n// 2D Components \n#include \"lygia/draw/colorChecker.glsl\"\n\n\n// PBR pipeline\n#include \"lygia/lighting/material/new.glsl\"\n#include \"lygia/lighting/pbr.glsl\"\n\nvoid main() {\n    vec4 color = vec4(0.0);\n    vec2 pixel = 1.0 / u_resolution;\n    vec2 st = gl_FragCoord.xy * pixel;\n\n\n\n    // 3D PBR Scene \n    Material material = materialNew();\n    material.albedo.rgb = vec3(.0);\n    // material.roughness = 0.5;\n    // material.metallic = 0.2;\n\n    #if defined(FLOOR)\n    // Floor\n    material.albedo.rgb = vec3(0.25);\n    material.roughness = 1.0;\n    material.metallic = 0.001;\n\n    #elif defined(DEVLOOK_SPHERE_0)\n    // Dialectic Sphere\n    material.metallic = 0.0;\n    material.roughness = 1.0;\n\n    #elif defined(DEVLOOK_SPHERE_1)\n    // Metallic Sphere\n    material.metallic = 1.0;\n    material.roughness = 0.0;\n\n    #elif defined(DEVLOOK_BILLBOARD_0)\n    // Color Checker Billboard\n    material.roughness = 1.0;\n    material.metallic = 0.0;\n    material.albedo = srgb2rgb(colorChecker(v_texcoord));\n    #endif\n\n    color = pbr(material);\n    color = rgb2srgb(color);\n\n    gl_FragColor = color;\n}",
  "vert": "#version 100\n\n#ifdef GL_ES\nprecision mediump float;\n#endif\n\nuniform mat4    u_lightMatrix;\nvarying vec4    v_lightCoord;\n\nuniform mat4    u_modelViewProjectionMatrix;\nuniform mat4    u_projectionMatrix;\nuniform mat4    u_modelMatrix;\nuniform mat4    u_viewMatrix;\nuniform mat3    u_normalMatrix;\n\nuniform vec3    u_camera;\nuniform vec2    u_resolution;\nuniform float   u_time;\n\nvarying vec4    v_position;\nvarying vec4    v_tangent;\nvarying vec4    v_color;\nvarying vec3    v_normal;\nvarying vec2    v_texcoord;\n\n// GlslViewer\n#define POSITION_ATTRIBUTE  a_position\nattribute vec4              POSITION_ATTRIBUTE;\n\n#ifdef MODEL_VERTEX_TANGENT\n#define TANGENT_ATTRIBUTE   a_tangent\nattribute vec4              TANGENT_ATTRIBUTE;\n#endif\n\n#ifdef MODEL_VERTEX_COLOR\n#define COLOR_ATTRIBUTE     a_color\nattribute vec4              COLOR_ATTRIBUTE;\n#endif\n\n#ifdef MODEL_VERTEX_NORMAL\n#define NORMAL_ATTRIBUTE    a_normal\nattribute vec3              NORMAL_ATTRIBUTE;\n#endif\n\n#ifdef MODEL_VERTEX_TEXCOORD\nattribute vec2              a_texcoord;\n#endif\n\n#if defined(DEVLOOK_SPHERE_0) || defined(DEVLOOK_SPHERE_1)\n// The 2 spheres (dialectic/metallic) have camera at a constant distance\n#define CAMERA_POSITION     (normalize(u_camera) * 3.0)\n#elif defined(DEVLOOK_BILLBOARD_0)\n// The color check billboard has a fixed camera\n#define CAMERA_POSITION     vec3(0.0, 0.0, 3.0) \n#else\n#define CAMERA_POSITION     u_camera\n#endif\n\n#define CAMERA_UP           vec3(0.0, 1.0, 0.0)\n#define MODEL_MATRIX        u_modelMatrix\n#define VIEW_MATRIX         u_viewMatrix\n#define PROJECTION_MATRIX   u_projectionMatrix\n\n#include \"lygia/math/const.glsl\"\n#include \"lygia/math/toMat4.glsl\"\n#include \"lygia/math/inverse.glsl\"\n#include \"lygia/space/lookAt.glsl\"\n#include \"lygia/space/orthographic.glsl\"\n\nvoid main(void) {\n    v_position = POSITION_ATTRIBUTE;\n    v_color = vec4(1.0);\n    v_normal = NORMAL_ATTRIBUTE;\n    \n    #if defined(MODEL_VERTEX_TEXCOORD)\n    v_texcoord = a_texcoord;\n    #else\n    v_texcoord = v_position.xy;\n    #endif\n\n    #if defined(USE_TANGENT) || defined(MODEL_VERTEX_TANGENT)\n    v_tangent = TANGENT_ATTRIBUTE;\n    #endif\n\n    #if defined(USE_COLOR) || defined(MODEL_VERTEX_COLOR) \n    v_color = COLOR_ATTRIBUTE;\n    #endif\n\n    #if defined(FLOOR)\n    v_position.xz *= vec2(2.0, 2.0);\n\n    #endif\n\n#if defined(DEVLOOK_SPHERE_0) || defined(DEVLOOK_SPHERE_1) || defined(DEVLOOK_BILLBOARD_0)\n\n    // This is for the 2 spheres (dialectic/metallic) and the color checker billboard\n    //\n    #ifdef LIGHT_SHADOWMAP\n    v_lightCoord = vec4(0.0);\n    #endif\n\n    const float area = 2.0;\n    mat4 P = orthographic( area, -area, area, -area, -1.0, 5.0);\n\n    #if defined(DEVLOOK_BILLBOARD_0)\n    // The billboards have an orthogonal projection\n    mat4 V = mat4(1.0);\n    float S = 0.65;\n    #else\n    mat4 V = inverse( toMat4( lookAt(CAMERA_POSITION, vec3(0.0), CAMERA_UP) ) );\n    float S = 0.25;\n    #endif\n\n    gl_Position = P * V * POSITION_ATTRIBUTE;\n    gl_Position.xy *= vec2(u_resolution.y / u_resolution.x, 1.0) * S;\n    gl_Position.x -= 0.8;\n\n    #if defined(DEVLOOK_SPHERE_0)\n    gl_Position.y += 0.8; \n    #elif defined(DEVLOOK_SPHERE_1)\n    gl_Position.y += 0.5;\n    #elif defined(DEVLOOK_BILLBOARD_0)\n    gl_Position.y += 0.2;\n    #endif\n\n#else\n\n    // This is for the main model\n    //\n    v_position = MODEL_MATRIX * v_position;\n    #if defined(LIGHT_SHADOWMAP)\n    v_lightCoord = u_lightMatrix * v_position;\n    #endif\n    \n    gl_Position = PROJECTION_MATRIX * VIEW_MATRIX * MODEL_MATRIX * v_position;\n\n#endif\n}",
  "commands": [
    "fullscreen,off",
    "sky,on",
    "cubemap,on",
    "camera_position,1.74897,-0.952875,-1.68013",
    "camera_look_at,0,0,0",
    "grid,off",
    "bboxes,off",
    "plot,plot,off"
  ],
  "assets": {