{ "textures": [ "scanlines.png", "placeholderWalls.png", "floorTexture.png", "backwall.png", "sidewalls.png" ], "materials": [ { "name": "Default", "vert": "#texture_vertex", "frag": "#texture_fragment", "info": { "type":"texture", "attribs":[ "aVertexPosition", "uvCoord" ], "uniforms":[ "uProjectionMatrix", "uModelViewMatrix" ] } }, { "name": "Stars", "vert": "#stars_vertex", "frag": "#stars_fragment", "info": { "type":"stars", "attribs":[ "aVertexPosition" ], "uniforms":[ "uProjectionMatrix", "uModelViewMatrix", "uResolution", "uTime" ] } } ], "objects": [ { "texture": 4, "material": 0, "vertices": [ -500, 500, 3, 6, 1, -500, -500, 3, 6, 0, -500, 500, 0, 0, 1, -500, -500, 0, 0, 0, 500, 500, 10, 20, 1, 500, -500, 10, 20, 0, 500, 500, 0, 0, 1, 500, -500, 0, 0, 0, -500, 500, 4, 2, 1, -500, -500, 4, 2, 0, -500, 500, 6, 0, 1, -500, -500, 6, 0, 0, -500, 500, 7, 2, 1, -500, -500, 7, 2, 0, -500, 500, 10, 0, 1, -500, -500, 10, 0, 0, -500, 500, 4, 3, 1, -500, -500, 4, 3, 0, -3000, -500, 4, 0, 0, -3000, 500, 4, 0, 1, -500, 500, 7, 3, 1, -500, -500, 7, 3, 0, -3000, -500, 7, 0, 0, -3000, 500, 7, 0, 1, -500, 500, 3, 3, 1, -500, -500, 3, 3, 0, -3000, -500, 3, 0, 0, -3000, 500, 3, 0, 1 ], "indices": [ 0, 2, 3, 0, 1, 3, 4, 5, 6, 6, 7, 5, 8, 10, 11, 8, 9, 11, 12, 14, 15, 12, 13, 15, 16, 17, 19, 19, 18, 17, 20, 21, 23, 23, 22, 21, 24, 25, 27, 27, 26, 25 ] }, { "texture":0, "material":1, "vertices": [ 499, 400, 8, 0, 1, 499, -200, 8, 0, 0, 499, 400, 4, 1, 1, 499, -200, 4, 1, 0 ], "indices": [ 0, 1, 2, 2, 3, 1 ], "starsOffset": [0.0, 0.0, 0.0, 0.0] }, { "texture": 3, "material": 0, "vertices": [ -500, -500, 10, 0, 0, -500, 500, 10, 0, 1, 500, -500, 10, 1, 0, 500, 500, 10, 1, 1 ], "indices": [ 0, 1, 2, 2, 3, 1 ] }, { "texture":2, "material":0, "vertices": [ -3000, 500, 10, -2.5, 10, 500, 500, 10, 1, 10, 500, 500, 0, 1, 0, -3000, 500, 0, -2.5, 0, -3000, -500, 10, -2.5, 10, 500, -500, 10, 1, 10, 500, -500, 0, 1, 0, -3000, -500, 0, -2.5, 0 ], "indices": [ 0, 1, 2, 2, 3, 0, 4, 5, 6, 6, 7, 4 ] } ] }

attribute vec4 aVertexPosition; attribute vec2 uvCoord; uniform mat4 uModelViewMatrix; uniform mat4 uProjectionMatrix; varying vec4 vColor; varying vec2 uv; void main(void) { gl_Position = uProjectionMatrix * uModelViewMatrix * aVertexPosition; /* uModelViewMatrix */ uv = uvCoord; }

uniform sampler2D tex; varying lowp vec2 uv; void main(void) { gl_FragColor = texture2D( tex, uv ); }

attribute vec4 aVertexPosition; uniform mat4 uModelViewMatrix; uniform mat4 uProjectionMatrix; uniform vec2 uResolution; uniform float uTime; varying float vTime; varying vec2 vResolution; void main(void) { gl_Position = uProjectionMatrix * uModelViewMatrix * aVertexPosition; vResolution = uResolution; vTime = uTime; }

precision highp float; varying vec2 vResolution; varying float vTime; //TODO: STARS BLINK OUT IF YOU ROTATE AND THEY ARE TOO SMALL //Returns true if pos is on a star, which is arranged on a grid that has starsDist between all of the stars, and then transformed using Transform(Tran) Rotation(Rot) Scale(Scale) bool isOnStar(in vec2 pos, in vec2 starsDist, in vec2 tran, in float rot, in vec2 scale) { rot = radians(mod(rot, 90.0)); scale = 1.0 / scale; mat2 rotationMatrix = mat2(cos(rot), sin(rot), -1.0 * sin(rot), cos(rot)); pos = (pos + vec2(vTime * -0.0001, vTime * 0.00002)) * scale * rotationMatrix + tran; //The modulo of the position and the star's distance, this makes the star grid. Drop the decmial vec2 starMod = vec2(floor(mod(pos.x, starsDist.x)), floor(mod(pos.y, starsDist.y))); //The threshold for a star appearing is diffent depending on the scale of the grid. (smaller scales require a larger threshold, or else if a star is too small it won't appear) vec2 threshold = ceil(vec2(1.0, 1.0) * scale); //gl_FragColor = vec4((threshold.x / starMod.x) * (threshold.y / starMod.y), 0.0, 0.0, 1.0); return bool((starMod.x < threshold.x) && (starMod.y < threshold.y)); } void main( void ) { //Scale of the starss grid //This is to make the stars scale the same way the camera scales, which is: float aspect = (vResolution.y / vResolution.x) ; vec2 scale = vec2(vResolution.y / 1920.0 / aspect * 1.1 * max(0.85, gl_FragCoord.w) + (aspect / 20.0), vResolution.y / 1920.0 / aspect * 1.1 * max(0.85, gl_FragCoord.w) + (aspect / 20.0)); vec2 screenSpace = gl_FragCoord.xy; vec2 starSpaceCoord = screenSpace; bool finalResult = isOnStar(starSpaceCoord, vec2(100.0, 100.0), vec2(0.0, 0.0), 45.0, scale); finalResult = finalResult || isOnStar(starSpaceCoord, vec2(120.0, 280.0), vec2(-120.0, -40.0), 25.0, scale * 1.0424); finalResult = finalResult || isOnStar(starSpaceCoord, vec2(310.0, 170.0), vec2(-1020.0, 0.0), 10.0, scale * 1.341); finalResult = finalResult || isOnStar(starSpaceCoord, vec2(90.0, 130.0), vec2(-80.0, -30.0), 15.0, scale * 0.931); finalResult = finalResult || isOnStar(starSpaceCoord, vec2(130.0, 90.0), vec2(-130.0, -118.443), 76.50, scale * 0.931); if(finalResult) { gl_FragColor = vec4(0.9, 0.9, 0.8, 1.0); } else { gl_FragColor = vec4(0.05, 0.0, 0.05, 1.0); } }