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Program thumbnail for "{props.program.title}"

Title	don't fall
ID	6412818720440320
Created	Unknown
Updated	2 years ago, 1673911492479
Code	<!DOCTYPE html> <!-- entry for clash of code round 2 W A S D to move get to end as fast as possible don't fall --> <html> <head> <!-- HTML stuff --> <meta charset="utf-8"> <title>don't fall</title> <!-- Styles --> <style> body { overflow: hidden; background-color: gray; margin: 0px; } canvas { position: absolute; top: 0px; left: 0px; width: 100vw; height: 100vh; } #fallback { margin: 0px; padding: 0px; position: absolute; background-color: rgb(200, 200, 200); width: 100vw; height: 100vh; display: none; justify-content: center; align-items: center; } #inner-fallback { width: 90vw; background-color: white; padding: 1em; border-radius: 10px; text-align: center; font-family: "Trebuchet MS"; font-size: 20px; } #gl-canvas { display: none; } </style> </head> <body> <!-- Fallback div --> <div id="fallback"> <div id="inner-fallback"> Oh no! Your browser does not support WebGL2! Please enable WebGL2 on your browser. </div> </div> <!-- Canvases --> <canvas id="gl-canvas"></canvas> <canvas id="ui-canvas"></canvas> <!-- Blur 5x5 shader --> <script id="blur5x5.vsh" type="text/glsl"> #version 300 es in vec2 a_position; out vec2 v_position; void main () { gl_Position = vec4(a_position, 0, 1); v_position = a_position * 0.5 + 0.5; } </script> <script id="blur5x5.fsh" type="text/glsl"> #version 300 es precision highp float; in vec2 v_position; uniform sampler2D u_texture; uniform sampler2D u_depth; uniform vec2 u_resolution; out vec4 o_color; void main () { vec3 c = vec3(0, 0, 0); float depth = texture(u_depth, v_position).r; int spread = int(10.0); for (int dx = -spread; dx <= spread; dx ++) { vec2 uv = v_position + vec2(dx, 0.0) / (u_resolution); c += texture(u_texture, uv).rgb; } for (int dy = -spread; dy <= spread; dy ++) { vec2 uv = v_position + vec2(0.0, dy) / (u_resolution); c += texture(u_texture, uv).rgb; } c /= 4.0 * float(spread) + 1.0; c = 2.; o_color = vec4(c, 1); } </script> <!-- Brightness filter --> <script id="brightness-filter.vsh" type="text/glsl"> #version 300 es in vec2 a_position; out vec2 v_position; void main () { gl_Position = vec4(a_position, 0, 1); v_position = a_position 0.5 + 0.5; } </script> <script id="brightness-filter.fsh" type="text/glsl"> #version 300 es precision highp float; in vec2 v_position; uniform sampler2D u_texture; uniform sampler2D u_depth; out vec4 o_color; void main () { vec3 c = texture(u_texture, v_position).rgb; /* float d = texture(u_depth, v_position).r; float zNear = 0.1; float zFar = 100.0; float normalized = (2.0 * zNear) / (zFar + zNear - d * (zFar - zNear)); / if (dot(c, c) < 0.8) o_color = vec4(0, 0, 0, 1); else o_color = vec4(c 0.8, 1); //o_color = vec4(vec3(normalized), 1); } </script> <!-- Bloom shader --> <script id="combine.vsh" type="text/glsl"> #version 300 es in vec2 a_position; out vec2 v_position; void main () { gl_Position = vec4(a_position, 0, 1); v_position = a_position * 0.5 + 0.5; } </script> <script id="combine.fsh" type="text/glsl"> #version 300 es precision highp float; in vec2 v_position; uniform sampler2D u_original; uniform sampler2D u_blurred; out vec4 o_color; void main () { o_color = texture(u_blurred, v_position) + texture(u_original, v_position); } </script> <!-- Geometry shader --> <script id="geometry.vsh" type="text/glsl"> #version 300 es in vec4 a_position; in vec3 a_normal; in vec2 a_texcoord; uniform mat4 u_model; uniform mat4 u_projection; out vec3 v_normal; out vec2 v_texcoord; void main () { gl_Position = u_projection * u_model * a_position; v_normal = mat3(u_model) * a_normal; v_texcoord = a_texcoord; } </script> <script id="geometry.fsh" type="text/glsl"> #version 300 es precision highp float; in vec3 v_normal; in vec2 v_texcoord; uniform vec3 u_color; out vec4 o_color; void main () { vec2 r = abs(v_texcoord - 0.5) * 2.0; float m = max(r.x, r.y); vec3 c = m > 0.9 ? u_color : vec3(0.1, 0.1, 0.1); o_color = vec4(c, 1); } </script> <!-- Skybox shader --> <script id="skybox.vsh" type="text/glsl"> #version 300 es in vec2 a_position; out vec2 v_position; void main () { gl_Position = vec4(a_position, 1, 1); v_position = a_position; } </script> <script id="skybox.fsh" type="text/glsl"> #version 300 es precision highp float; in vec2 v_position; uniform mat4 u_projection; out vec4 o_color; vec2 rayBox (vec3 c1, vec3 c2, vec3 ro, vec3 rd) { vec3 t0 = (c1 - ro) / rd; vec3 t1 = (c2 - ro) / rd; vec3 tmin = min(t0, t1); vec3 tmax = max(t0, t1); float dstA = max(max(tmin.x, tmin.y), tmin.z); float dstB = min(tmax.x, min(tmax.y, tmax.z)); float dstToBox = max(0.0, dstA); float dstInsideBox = max(0.0, dstB - dstToBox); return vec2(dstToBox, dstInsideBox); } const vec3 c1 = vec3(-100, -50, -100); const vec3 c2 = vec3(100, -20, 100); void main () { vec3 origin = vec3(0, 0, 0); vec3 ray = normalize(inverse(mat3(u_projection)) * vec3(v_position.xy, 1.0)).xyz; ray.y = -abs(ray.y); // vec2 t = rayBox(c1, c2, origin, ray); float c = max(t.y0.01, 0.0); if (t.y < 0.001) c = 0.0; c = c; c = c; c = c; c = c * 0.8 + 0.2; o_color = vec4(vec3(c), 1); } </script> <!-- External scripts --> <script src="https://cdnjs.cloudflare.com/ajax/libs/gl-matrix/2.8.1/gl-matrix-min.js"></script> <!-- WebGL utils --> <script type="application/javascript"> function createShader(gl, type, source) { const shader = gl.createShader(type); gl.shaderSource(shader, source); gl.compileShader(shader); const success = gl.getShaderParameter(shader, gl.COMPILE_STATUS); if (success) return shader; console.error(gl.getShaderInfoLog(shader)); gl.deleteShader(shader); } function createProgram (gl, vs, fs) { const vsSource = document.getElementById(vs).text.trim(); const fsSource = document.getElementById(fs).text.trim(); const vShader = createShader(gl, gl.VERTEX_SHADER, vsSource); const fShader = createShader(gl, gl.FRAGMENT_SHADER, fsSource); const program = gl.createProgram(); gl.attachShader(program, vShader); gl.attachShader(program, fShader); gl.linkProgram(program); return program; } </script> <!-- Main script --> <script type="application/javascript"> function main () { let scene = "menu"; const width = window.innerWidth; const height = window.innerHeight; const aspect = width / height; const glCanvas = document.getElementById("gl-canvas", { preserveDrawingBuffer: true }); const uiCanvas = document.getElementById("ui-canvas"); glCanvas.width = width; glCanvas.height = height; uiCanvas.width = width; uiCanvas.height = height; const fallback = document.getElementById("fallback"); function showFallback () { glCanvas.style.display = "none"; uiCanvas.style.display = "none"; fallback.style.display = "flex"; } const gl = glCanvas.getContext("webgl2"); if (!gl) { showFallback(); return; } gl.viewport(0, 0, width, height); gl.clearColor(0.2, 0.2, 0.2, 1); gl.clear(gl.COLOR_BUFFER_BIT); gl.enable(gl.DEPTH_TEST); gl.depthFunc(gl.LEQUAL); gl.enable(gl.CULL_FACE); gl.cullFace(gl.BACK); const ctx = uiCanvas.getContext("2d"); const input = (function(output) { output.mouseX = 0; output.mouseY = 0; output.movementX = 0; output.movementY = 0; output.mouseDown = false; output.mouseButton = 0; output.keys = {}; let lock = "requestPointerLock"; if (uiCanvas.mozRequestPointerLock) { lock = "mozRequestPointerLock"; } if (uiCanvas.webkitRequestPointerLock) { lock = "webkitRequestPointerLock"; } uiCanvas.onmousedown = function(event) { output.mouseButton = event.button; output.mouseDown = true; if (scene === "game") { uiCanvas[lock](); } }; uiCanvas.onmouseup = function(event) { output.mouseDown = false; }; uiCanvas.onmousemove = function(event) { output.mouseX = event.x; output.mouseY = event.y; output.movementX += event.movementX; output.movementY += event.movementY; }; document.onkeydown = function(event) { event.preventDefault(); if (event.keyCode === 16) { output.keys["SHIFT"] = true; } else if (event.keyCode == 37) { output.keys["LEFT"] = true; } else if (event.keyCode == 38) { output.keys["UP"] = true; } else if (event.keyCode == 39) { output.keys["RIGHT"] = true; } else if (event.keyCode == 40) { output.keys["DOWN"] = true; } else output.keys[event.key.toString()] = true; }; document.onkeyup = function(event) { if (event.keyCode === 16) { output.keys["SHIFT"] = !true; } else if (event.keyCode == 37) { output.keys["LEFT"] = !true; } else if (event.keyCode == 38) { output.keys["UP"] = !true; } else if (event.keyCode == 39) { output.keys["RIGHT"] = !true; } else if (event.keyCode == 40) { output.keys["DOWN"] = !true; } else output.keys[event.key.toString()] = false; }; output.lockMouse = function () { uiCanvas[lock](); }; output.update = function() { output.movementX = 0; output.movementY = 0; }; return output; })({}); const Renderer = (function () { function scrapeIn (source, out) { source.split("\n").forEach(line => { let words = line.trim().replace(";", "").split(" "); if (words[0] === "in") { let name = words[2]; out.locations[name] = gl.getAttribLocation(out.program, name); out.types[name] = words[1]; } }); } function scrapeUniform (source, out) { source.split("\n").forEach(line => { let words = line.trim().replace(";", "").split(" "); if (words[0] === "uniform") { let name = words[2]; out.locations[name] = gl.getUniformLocation(out.program, name); out.types[name] = words[1]; } }); } const typeToKeyword = { float: "1f", vec2: "2f", vec3: "3f", vec4: "4f", int: "1i", ivec2: "2i", ivec3: "3i", ivec4: "4i", mat2: "Matrix2f", mat3: "Matrix3f", mat4: "Matrix4f", sampler2D: "1i" }; return class { constructor (name) { this.program = createProgram(gl, name + ".vsh", name + ".fsh"); this.locations = {}; this.types = {}; let vsSource = document.getElementById(name + ".vsh").text.trim(); let fsSource = document.getElementById(name + ".fsh").text.trim(); scrapeIn(vsSource, this); scrapeUniform(vsSource, this); scrapeUniform(fsSource, this); } setUniform (name, ...values) { let type = this.types[name]; let loc = this.locations[name]; gl.useProgram(this.program); if (values.length > 1) gl["uniform" + typeToKeyword[type]](loc, ...values); else if (typeof values[0] === "number") { gl["uniform" + typeToKeyword[type]](loc, ...values); } else { let b = typeToKeyword[type]; if (type[0] === "m") gl["uniform" + typeToKeyword[type] + "v"](loc, false, values[0]); else gl["uniform" + typeToKeyword[type] + "v"](loc, values[0]); } } }; }) (); const Mesh = (function () { const cubePositions = [ 0, 0, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 0, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 1, 1, 0, 0, 1, 1, 0, 1, 1, 1, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 1, 0, 1, 0, ]; const cubeTexcoords = [ 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 1 ]; const cubeNormals = [ 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, -1, 0, 0, -1, 0, 0, -1, 0, 0, -1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, -1, 0, 0, -1, 0, 0, -1, 0, 0, -1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, -1, 0, 0, -1, 0, 0, -1, 0, 0, -1, 0, 0, ]; const cubeTris = [ 0, 1, 2, 0, 2, 3, 4, 5, 6, 4, 6, 7, 8, 9, 10, 8, 10, 11, 12, 13, 14, 12, 14, 15, 16, 17, 18, 16, 18, 19, 20, 21, 22, 20, 22, 23, ]; return class { constructor (...buffers) { this.vertexArray = gl.createVertexArray(); this.buffers = {}; this.sizes = {}; this.data = {}; for (let i = 0; i < buffers.length; i += 2) { let name = buffers[i]; let size = buffers[i+1]; this.buffers[name] = gl.createBuffer(); this.sizes[name] = size; this.data[name] = null; } this.triangleBuffer = gl.createBuffer(); } setData (name, data) { this.data[name] = data; } setBuffers (mode=gl.STATIC_DRAW) { gl.bindVertexArray(this.vertexArray); for (let name in this.buffers) { gl.bindBuffer(gl.ARRAY_BUFFER, this.buffers[name]); gl.bufferData(gl.ARRAY_BUFFER, this.data[name], mode); } gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, this.triangleBuffer); gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, this.data.triangles, mode); } setAttribPointers (renderer) { gl.bindVertexArray(this.vertexArray); gl.useProgram(renderer.program); for (let name in this.buffers) { let attribName = "a_" + name; let attribLoc = renderer.locations[attribName]; gl.enableVertexAttribArray(attribLoc); gl.bindBuffer(gl.ARRAY_BUFFER, this.buffers[name]); gl.vertexAttribPointer(attribLoc, this.sizes[name], gl.FLOAT, false, 0, 0); } } render (renderer) { gl.bindVertexArray(this.vertexArray); gl.useProgram(renderer.program); gl.drawElements(gl.TRIANGLES, this.data.triangles.length, gl.UNSIGNED_SHORT, 0); } static setRectangle (mesh, dimensions) { const positions = new Float32Array(cubePositions); for (let i = 0; i < positions.length; i ++) { positions[i] -= 0.5; positions[i] = dimensions[i % 3]; } const texcoords = new Float32Array(cubeTexcoords); const normals = new Float32Array(cubeNormals); const tris = new Uint16Array(cubeTris); mesh.setData("position", positions); mesh.setData("texcoord", texcoords); mesh.setData("normal", normals); mesh.setData("triangles", tris); mesh.setBuffers(); } }; }) (); const PixelRenderer = (function () { const screenPositions = [-1, -1, 1, -1, 1, 1, -1, 1]; const screenTris = [0, 1, 2, 0, 2, 3]; return class extends Renderer { constructor (name) { super(...arguments); this.mesh = new Mesh("position", 2); this.mesh.setData("position", new Float32Array(screenPositions)); this.mesh.setData("triangles", new Uint16Array(screenTris)); this.mesh.setBuffers(); this.mesh.setAttribPointers(this); } render () { this.mesh.render(this); } }; }) (); const RenderTexture = (function () { return class { constructor (width, height, useDepthBuffer=false) { this.width = width; this.height = height; this.colorTexture = gl.createTexture(); gl.bindTexture(gl.TEXTURE_2D, this.colorTexture); gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE); gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE); gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR); gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, this.width, this.height, 0, gl.RGBA, gl.UNSIGNED_BYTE, null); if (useDepthBuffer) { this.depthTexture = gl.createTexture(); gl.bindTexture(gl.TEXTURE_2D, this.depthTexture); gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE); gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE); gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR); gl.texImage2D(gl.TEXTURE_2D, 0, gl.DEPTH_COMPONENT24, this.width, this.height, 0, gl.DEPTH_COMPONENT, gl.UNSIGNED_INT, null); } this.framebuffer = gl.createFramebuffer(); gl.bindFramebuffer(gl.FRAMEBUFFER, this.framebuffer); gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, this.colorTexture, 0); if (useDepthBuffer) { gl.framebufferTexture2D(gl.FRAMEBUFFER, gl.DEPTH_ATTACHMENT, gl.TEXTURE_2D, this.depthTexture, 0); } } setRenderTarget () { gl.bindFramebuffer(gl.FRAMEBUFFER, this.framebuffer); } }; }) (); const geometryRenderer = new Renderer("geometry"); const AABB = (function () { return class { constructor (obj) { this.minX = Infinity; this.maxX = -Infinity; this.minY = Infinity; this.maxY = -Infinity; this.minZ = Infinity; this.maxZ = -Infinity; this.parent = obj; } generate () { let model = this.parent.model; let verts = this.parent.mesh.data.position; for (let i = 0; i < verts.length; i += 3) { let p = vec4.fromValues(...verts.slice(i, i + 3), 1); vec4.transformMat4(p, p, model); this.minX = Math.min(this.minX, p[0]); this.maxX = Math.max(this.maxX, p[0]); this.minY = Math.min(this.minY, p[1]); this.maxY = Math.max(this.maxY, p[1]); this.minZ = Math.min(this.minZ, p[2]); this.maxZ = Math.max(this.maxZ, p[2]); } } generateForPlayer () { this.minX = this.parent.position[0] - this.parent.radius; this.maxX = this.parent.position[0] + this.parent.radius; this.minY = this.parent.position[1] - this.parent.radius; this.maxY = this.parent.position[1] + this.parent.radius; this.minZ = this.parent.position[2] - this.parent.radius; this.maxZ = this.parent.position[2] + this.parent.radius; } static compare (a, b) { let x = a.maxX > b.minX && b.maxX > a.minX; let y = a.maxY > b.minY && b.maxY > a.minY; let z = a.maxZ > b.minZ && b.maxZ > a.minZ; return x && y && z; } }; }) (); const player = (function (output) { output.position = [0, -5, 0]; output.velocity = [0, 0, 0]; output.grounded = true; output.radius = 1.0; output.mass = 1.0; output.pitch = 0.5; output.yaw = 0.0; output.FOV = Math.PI / 2; output.zNear = 0.1; output.zFar = 100.0; output.projectionMatrix = mat4.create(); output.AABB = new AABB(output); output.buildProjectionMatrix = function () { mat4.perspective(this.projectionMatrix, this.FOV, aspect, this.zNear, this.zFar); mat4.rotate(this.projectionMatrix, this.projectionMatrix, this.pitch, [1, 0, 0]); mat4.rotate(this.projectionMatrix, this.projectionMatrix, this.yaw, [0, 1, 0]); mat4.translate(this.projectionMatrix, this.projectionMatrix, [-this.position[0], -this.position[1], -this.position[2]]); }; function constrain (x, a, b) { return x < a ? a : x > b ? b : x; } output.controls = function (dt) { let movementSpeed = 0.5 60 * dt; let dx = Math.sin(this.yaw); let dz = -Math.cos(this.yaw); if (input.keys.w \|\| input.keys.UP) { this.velocity[0] += dx * movementSpeed; this.velocity[2] += dz * movementSpeed; } if (input.keys.a \|\| input.keys.LEFT) { this.velocity[0] += dz * movementSpeed; this.velocity[2] -= dx * movementSpeed; } if (input.keys.s \|\| input.keys.DOWN) { this.velocity[0] -= dx * movementSpeed; this.velocity[2] -= dz * movementSpeed; } if (input.keys.d \|\| input.keys.RIGHT) { this.velocity[0] -= dz * movementSpeed; this.velocity[2] += dx * movementSpeed; } if (input.keys[" "] && this.grounded) { this.velocity[1] += 10; this.grounded = false; } this.pitch += input.movementY * dt; this.pitch = constrain(this.pitch, -Math.PI / 2, Math.PI / 2); this.yaw += input.movementX * dt; this.velocity[1] -= 18 * dt; if (this.grounded) { var fx = -this.velocity[0] * 0.05; var fy = -this.velocity[1] * 0.05; var fz = -this.velocity[2] * 0.05; this.velocity[0] += fx * dt * 60; this.velocity[1] += fy * dt * 60; this.velocity[2] += fz * dt * 60; } // cap speed let vm = vec3.sqrLen(this.velocity); let speed = 15.0; if (vm > speed * speed) { vm = speed / Math.sqrt(vm); this.velocity[0] = vm; this.velocity[1] = vm; this.velocity[2] = vm; } }; output.updatePosition = function (dt) { this.position[0] += this.velocity[0] dt; this.position[1] += this.velocity[1] * dt; this.position[2] += this.velocity[2] * dt; }; output.setUniforms = function () { this.buildProjectionMatrix(); geometryRenderer.setUniform("u_projection", this.projectionMatrix); }; return output; }) ({}); const MeshCollider = (function () { function crossAndNormalize (d0x, d0y, d0z, d1x, d1y, d1z) { let cx = d0y * d1z - d0z * d1y; let cy = d0z * d1x - d0x * d1z; let cz = d0x * d1y - d0y * d1x; let cm = 1 / Math.sqrt(cx * cx + cy * cy + cz * cz); return [cx / cm, cy / cm, cz / cm]; } function projectToPlane(lx, ly, lz, nx, ny, nz) { let d = lx * nx + ly * ny + lz * nz; return [lx - d * nx, ly - d * ny, lz - d * nz]; } function clamp01 (x) { return x < 0 ? 0 : x > 1 ? 1 : x; } function snapToTriangle(u, v) { let d = Math.max((u + v - 1.0) / 2.0, 0.0); return [ clamp01(u - d), clamp01(v - d) ]; } function closestPointOnTriangle (p, v0, v1, v2) { let [v0x, v0y, v0z] = v0; let [v1x, v1y, v1z] = v1; let [v2x, v2y, v2z] = v2; let [d0x, d0y, d0z] = [v1x - v0x, v1y - v0y, v1z - v0z]; let [d1x, d1y, d1z] = [v2x - v0x, v2y - v0y, v2z - v0z]; let [nx, ny, nz] = crossAndNormalize(d0z, d0y, d0z, d1x, d1y, d1z); let [lx, ly, lz] = [p[0] - v0x, p[1] - v0y, p[2] = v0z]; let [px, py, pz] = projectToPlane(lx, ly, lz, nx, ny, nz); let u = px * d0x + py * d0y + pz * d0z; let v = px * d1x + py * d1y + pz * d1z; [u, v] = snapToTriangle(u, v); let [cx, cy, cz] = [ v0x + d0x * u + d1x * v, v0y + d0y * u + d1y * v, v0z + d0z * u + d1z * v ]; return [cx, cy, cz]; } return class { constructor (mesh) { this.mesh = mesh; } getClosestPoint (p) { let [cx, cy, cz] = [null, null, null]; let cd2 = Infinity; let tris = this.mesh.data.triangles; let verts = this.mesh.data.position; for (let i = 0; i < tris.length; i += 3) { let [i0, i1, i2] = tris.slice(i, i + 3); let [x, y, z] = closestPointOnTriangle(p, verts.slice(i0 * 3, i0 * 3 + 3), verts.slice(i1 * 3, i1 * 3 + 3), verts.slice(i2 * 3, i2 * 3 + 3) ); let [dx, dy, dz] = [x - p[0], y - p[1], z - p[2]]; let d2 = dx * dx + dy * dy + dz * dz; if (d2 < cd2) { cd2 = d2; [cx, cy, cz] = [x, y, z]; } } if (!cx && !cy && !cz) { console.error("All null at getClosestPoint"); } return [cx, cy, cz]; } }; }) (); const Platform = (function () { function constrain (x, a, b) { return x < a ? a : x > b ? b : x; } return class { constructor (position, size=vec3.create(), rotation, elastic=false, color=[0.1, 0.4, 1.0], friction=0.9) { this.position = position; this.rotation = rotation; this.size = size; this.elastic = elastic; this.friction = friction; this.color = color; this.mesh = new Mesh("position", 3, "normal", 3, "texcoord", 2); Mesh.setRectangle(this.mesh, this.size); this.mesh.setAttribPointers(geometryRenderer); this.collider = new MeshCollider(this.mesh); this.AABB = new AABB(this); this.model = mat4.create(); this.inverseModel = mat4.create(); this.constructModelMatrix(); } constructModelMatrix () { mat4.fromRotationTranslation(this.model, this.rotation, this.position); let inverseRotation = quat.create(); quat.invert(inverseRotation, this.rotation); mat4.fromQuat(this.inverseModel, inverseRotation); /mat4.translate(this.inverseModel, this.inverseModel, [ -this.position[0], -this.position[1], -this.position[2] ]);/ } render () { geometryRenderer.setUniform("u_model", this.model); geometryRenderer.setUniform("u_color", this.color); this.mesh.render(geometryRenderer); } collideWithPlayer () { // local position let localPosition = vec4.fromValues( player.position[0] - this.position[0], player.position[1] - this.position[1], player.position[2] - this.position[2], 0.0 ); vec4.transformMat4(localPosition, localPosition, this.inverseModel); localPosition[0] = constrain(localPosition[0], -this.size[0] / 2, this.size[0] / 2); localPosition[1] = constrain(localPosition[1], -this.size[1] / 2, this.size[1] / 2); localPosition[2] = constrain(localPosition[2], -this.size[2] / 2, this.size[2] / 2); localPosition[3] = 1; vec4.transformMat4(localPosition, localPosition, this.model); // Get closest point let closestPoint = vec3.fromValues(...localPosition); // Calculate collision let [dx, dy, dz] = [ player.position[0] - closestPoint[0], player.position[1] - closestPoint[1], player.position[2] - closestPoint[2] ]; let dm = dx * dx + dy * dy + dz * dz; if (dm < player.radius * player.radius) { dm = Math.sqrt(dm); player.position[0] += dx * (player.radius - dm) / dm; player.position[1] += dy * (player.radius - dm) / dm; player.position[2] += dz * (player.radius - dm) / dm; dx /= dm; dy /= dm; dz /= dm; let t = (dx * player.velocity[0] + dy * player.velocity[1] + dz * player.velocity[2]) * (this.elastic + 1); player.velocity[0] -= t * dx; player.velocity[1] -= t * dy; player.velocity[2] -= t * dz; if (dy > 0.8) { player.grounded = true; } } } }; }) (); /* const physics = (function (output) { output.objects = []; output.add = function (obj) { this.objects.push(obj); } output.tick = function (dt) { // Find closest point let [cx, cy, cz] = [null, null, null]; let cd2 = Infinity; let ci = Infinity; player.AABB.generateForPlayer(); const n = this.objects.length; for (let i = 0; i < n; i ++) { const obj = this.objects[i]; if (!AABB.compare(obj.AABB, player.AABB)) continue; let [x, y, z] = obj.collider.getClosestPoint(player.position); let [dx, dy, dz] = [x - player.position[0], y - player.position[1], z - player.position[2]]; let d2 = dx * dx + dy * dy + dz * dz; if (d2 < cd2) { [cx, cy, cz] = [x, y, z]; cd2 = d2; ci = i; } } if (cd2 < player.radius * player.radius) { console.log(cx, cy, cz); // Run physics let dx = player.position[0] - cx; let dy = player.position[1] - cy; let dz = player.position[2] - cz; let d2 = dx * dx + dy * dy + dz * dz; let obj = this.objects[ci]; if (d2 < player.radius * player.radius) { d2 = Math.sqrt(d2); // Correct position player.position[0] += dx * (player.radius - d2) / d2; player.position[1] += dy * (player.radius - d2) / d2; player.position[2] += dz * (player.radius - d2) / d2; // Correct velocity [dx, dy, dz] = [dx / d2, dy / d2, dz / d2]; let t = dx * player.velocity[0] + dy * player.velocity[1] + dz * player.velocity[2]; t = (obj.elastic + 1); player.velocity[0] += dx t; player.velocity[1] += dy * t; player.velocity[2] += dz * t; // Calculate friction let Ff = obj.friction * t; let vm = Ff / vec3.sqrLen(player.velocity); player.velocity[0] -= player.velocity[0] * vm; player.velocity[1] -= player.velocity[1] * vm; player.velocity[2] -= player.velocity[2] * vm; } } }; return output; }) ({}); / const ui = (function (output) { output.timer = 0.0; output.speed = 0.0; output.gameUI = function () { }; return output; }) ({}); const postprocessing = (function (output) { output.filterShader = new PixelRenderer("brightness-filter"); output.blurShader = new PixelRenderer("blur5x5"); output.combineShader = new PixelRenderer("combine"); output.filterShader.setUniform("u_texture", 15); output.filterShader.setUniform("u_depth", 14); output.blurShader.setUniform("u_texture", 15); output.combineShader.setUniform("u_blurred", 15); output.combineShader.setUniform("u_original", 14); output.blurShader.setUniform("u_depth", 14); output.blurShader.setUniform("u_resolution", width, height); output.sceneBuffer = new RenderTexture(width, height, true); output.filterBuffer = new RenderTexture(width, height); output.blurBufferA = new RenderTexture(width, height); output.blurBufferB = new RenderTexture(width, height); output.resultBuffer = new RenderTexture(width, height); output.render = function (dt) { this.sceneBuffer.setRenderTarget(); drawScene(dt); gl.activeTexture(gl.TEXTURE14); gl.bindTexture(gl.TEXTURE_2D, this.sceneBuffer.depthTexture); gl.activeTexture(gl.TEXTURE15); gl.bindTexture(gl.TEXTURE_2D, this.sceneBuffer.colorTexture); this.filterBuffer.setRenderTarget(); this.filterShader.render(); gl.activeTexture(gl.TEXTURE15); gl.bindTexture(gl.TEXTURE_2D, this.filterBuffer.colorTexture); this.blurBufferA.setRenderTarget(); this.blurShader.render(); gl.bindTexture(gl.TEXTURE_2D, this.blurBufferA.colorTexture); this.blurBufferB.setRenderTarget(); this.blurShader.render(); gl.bindTexture(gl.TEXTURE_2D, this.blurBufferB.colorTexture); gl.bindFramebuffer(gl.FRAMEBUFFER, null); gl.activeTexture(gl.TEXTURE14); gl.bindTexture(gl.TEXTURE_2D, this.sceneBuffer.colorTexture); this.combineShader.render(); }; return output; }) ({}); const skybox = (function (output) { output = new PixelRenderer("skybox"); return output; }) ({}); const platforms = (function () { let arr = []; arr.add = function () { let obj = new Platform(...arguments); this.push(obj); // physics.add(obj); }; function axisAngle (axis, angle) { let ct = Math.cos(angle); let st = Math.sin(angle); return [ct, st axis[0], st * axis[1], st * axis[2]]; } let xa = [1, 0, 0]; let ya = [0, 1, 0]; let za = [0, 0, 1]; let ec = [1.0, 0.5, 1.0]; const levels = [ // Checkerboard [ [[-2.5, -10, 2.5], [5, 1, 5], [1, 0, 0, 0]], [[2.5, -10, -2.5], [5, 1, 5], [1, 0, 0, 0]] ], // Ramp [ [[0, -10, 2.5], [5, 1, 5], [1, 0, 0, 0]], [[0, -10, 0], [5, 1, 4], axisAngle(za, -Math.PI / 16)], ], // Thin [ [[0, -10, 0], [1, 1, 10], [1, 0, 0, 0]] ], // T [ [[0, -10, 0], [3, 1, 10], [1, 0, 0, 0]], [[0, -10, 0], [3, 10, 1], [1, 0, 0, 0]] ], // H [ [[0, -10, 0], [1, 5, 10], [1, 0, 0, 0]], [[5, -10, 0], [1, 10, 1], [1, 0, 0, 0]], [[-5, -10, 0], [1, 10, 1], [1, 0, 0, 0]] ], [ [[0, -10.01, 0], [10, 1, 1], axisAngle(ya, Math.PI / 8)], [[0, -10, 0], [10, 1, 1], axisAngle(ya, -Math.PI / 8)], ], [ [[5, -10, 0], [1, 1, 10], [1, 0, 0, 0]], [[-5, -10, 0], [1, 1, 10], [1, 0, 0, 0]], ], [ [[0, -10, 1], [2, 1, 8], [1, 0, 0, 0]], [[0, -10, -6], [2, 1, 2], axisAngle(za, -0.2), true, ec], ], [ [[5, -10, 0], [1, 10, 10], axisAngle(xa, -Math.PI / 8), true, ec], [[-5, -10, 0], [1, 10, 10], axisAngle(xa, Math.PI / 8), true, ec], [[0, -10, -5], [10, 1, 8], axisAngle(za, -Math.PI / 16)] ], ]; arr.generateLevel = function (n=20) { this.length = 0; this.add([0, -10, 0], [10, 1, 10], [1, 0, 0, 0], false, [0, 1, 0]); for (let i = 1; i < n; i ++) { let toAdd = Math.random() * levels.length \| 0; let level = levels[toAdd]; for (let j = 0; j < level.length; j ++) { let args = [...level[j]].map(e => { if (e.length) return [...e]; return e; }); args[0][2] -= i * 15; this.add(...args); } } this.add([0, -10, -n * 15], [10, 1, 10], [1, 0, 0, 0], false, [0, 1, 0]); } return arr; }) (); const game = (function (output) { output.timer = 0.0; output.finished = false; output.startRun = function () { this.timer = 0.0; this.finished = false; platforms.generateLevel(); player.position = [0, -5, 0]; player.velocity = [0, 0, 0]; player.pitch = 0.0; player.yaw = 0.0; } output.run = function (dt) { // Limit delta time. // This fixed the bug where if you scroll down // or change tab and come back, you jump // super high dt = Math.min(dt, 1 / 5); output.timer += dt; gl.bindFramebuffer(gl.FRAMEBUFFER, null); platforms.forEach(e => e.constructModelMatrix()); player.grounded = false; platforms.forEach(e => e.collideWithPlayer()); player.controls(dt); player.updatePosition(dt); postprocessing.render(dt); ctx.clearRect(0, 0, width, height); ctx.drawImage(glCanvas, 0, 0); ctx.fillStyle = "#FFFFFF"; ctx.textAlign = "left"; ctx.font = "20px Arial Black"; ctx.fillText(output.timer.toFixed(2) + "s", 40, height - 40); let ps = Math.hypot(...player.velocity); ctx.fillText(ps.toFixed(2) + " m/s", 40, height - 20); let percent = (-player.position[2] / (15 * 20)); ctx.fillStyle = "#000000"; ctx.fillRect(width / 2 - 100, height - 40, 200, 20); ctx.fillStyle = "#FFFFFF"; ctx.fillRect(width / 2 - 100, height - 40, 200 * percent, 20); if (player.position[1] < -50) { output.startRun(); } if (player.position[2] < -15 * 19.5 && player.position[1] > -15) { scene = "finish"; finishScreen.startFinish(); } } return output; }) ({}); const finishScreen = (function (output) { let tx = 0, ty = -10, tz = -15 * 20; output.t = 0; output.startFinish = function () { this.t = 0; document.exitPointerLock(); }; output.run = function (dt) { player.position[0] -= (player.position[0] - tx) / 10; player.position[1] -= (player.position[1] - ty) / 10; player.position[2] -= (player.position[2] - tz) / 10; player.pitch += (0.2 - player.pitch) / 10; player.yaw += (Math.PI * 3 - player.yaw) / 50; let t = Math.min(output.t, 1.0); let s = t * t * (3 - 2 * t); ty = s * 10 - 10; postprocessing.render(dt); ctx.drawImage(glCanvas, 0, 0); ctx.textAlign = "center"; ctx.fillStyle = "#000000"; let d = 2; ctx.fillText("Run Finished", width / 2 - d, height + 100 - (100 + height / 2) * s - d); ctx.fillText("Time: " + game.timer.toFixed(2) + "s", width / 2 - d, height + 150 - (100 + height / 2) * s - d); ctx.fillText("Run Finished", width / 2 - d, height + 100 - (100 + height / 2) * s + d); ctx.fillText("Time: " + game.timer.toFixed(2) + "s", width / 2 - d, height + 150 - (100 + height / 2) * s + d); ctx.fillText("Run Finished", width / 2 + d, height + 100 - (100 + height / 2) * s - d); ctx.fillText("Time: " + game.timer.toFixed(2) + "s", width / 2 + d, height + 150 - (100 + height / 2) * s - d); ctx.fillText("Run Finished", width / 2 + d, height + 100 - (100 + height / 2) * s + d); ctx.fillText("Time: " + game.timer.toFixed(2) + "s", width / 2 + d, height + 150 - (100 + height / 2) * s + d); ctx.fillStyle = "#FFFFFF"; ctx.fillText("Run Finished", width / 2, height + 100 - (100 + height / 2) * s); ctx.fillText("Time: " + game.timer.toFixed(2) + "s", width / 2, height + 150 - (100 + height / 2) * s); output.t += dt; }; return output; }) ({}); function drawScene (dt) { gl.clear(gl.COLOR_BUFFER_BIT \| gl.DEPTH_BUFFER_BIT); player.setUniforms(); platforms.forEach(e => e.render()); skybox.setUniform("u_projection", player.projectionMatrix); skybox.render(); input.update(); } function menu (dt) { postprocessing.render(dt); ctx.clearRect(0, 0, width, height); ctx.drawImage(glCanvas, 0, 0); ctx.fillStyle = "#FFFFFF11"; ctx.fillRect(width / 2 - 200, height / 2 - 65, 400, 100); ctx.textAlign = "center"; ctx.font = "50px Arial Black"; ctx.fillStyle = "#11bbFF"; let b = 2; ctx.fillText("Start Run", width / 2 - b, height / 2 - b); ctx.fillText("Start Run", width / 2 - b, height / 2 + b); ctx.fillText("Start Run", width / 2 + b, height / 2 - b); ctx.fillText("Start Run", width / 2 + b, height / 2 + b); ctx.fillStyle = "#FFFFFF"; ctx.fillText("Start Run", width / 2, height / 2); if (Math.abs(input.mouseX - width / 2) < 200 && Math.abs(input.mouseY - height / 2 + 5) < 50 && input.mouseDown) { scene = "game"; ctx.clearRect(0, 0, width, height); input.lockMouse(); game.startRun(); } } let scenes = { game: game.run, menu: menu, finish: finishScreen.run }; platforms.generateLevel(); let then = null; function render (now) { if (!then) then = now; let dt = (now - then) * 0.001; then = now; scenes[scene](dt); parent.raf = requestAnimationFrame(render); } if (parent.raf) cancelAnimationFrame(parent.raf); parent.raf = requestAnimationFrame(render); } </script> <!-- Lets light this candle --> <script> main(); </script> </body> </html>
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Archive Data

Added	1 years ago, 1707881073152
Updated	2 days ago, 1744839051969
Source Deleted	unknown