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import {Colour} from './models/Colour';
import {Framebuffer} from './Framebuffer';
import {Plane, Sphere} from './models/Geometry';
import {Light} from './models/Light';
import {Albedo, Material} from './models/Material';
import {RaytraceDispatcher} from './RaytraceDispatcher';
import {RaytraceContext, RaytracerOptions} from './models/RaytraceContext';
import {Vector} from './models/Vector';
import {Logger} from './Logger';
function render() {
getRenderButton().classList.add('loading');
const dispatcher = initDispatcher(parseOptions());
dispatcher.requestRender();
}
function initDispatcher(options: RaytracerOptions): RaytraceDispatcher {
const {width, height} = parseResolution();
const fov = Math.PI / 3;
const framebuffer = new Framebuffer(width, height);
const materialMirror = new Material(
new Colour(220, 220, 220),
new Albedo(0.1, 1, 0.8, 0.0),
2500,
1
);
const materialGlass = new Material(
new Colour(153, 179, 204),
new Albedo(0.0, 0.5, 0.1, 0.8),
125,
1.5
);
const spheres: Sphere[] = [
new Sphere(1, new Vector(-6.5, -3, -26), matteMaterial(27, 118, 255)),
new Sphere(1, new Vector(-14, -3, -25), matteMaterial(146, 80, 188)),
new Sphere(1, new Vector(-10, -3, -25), matteMaterial(0, 146, 178)),
new Sphere(1, new Vector(-10, -3, -20), matteMaterial(185, 18, 27)),
new Sphere(1, new Vector(-2.5, -3, -20), matteMaterial(115, 45, 217)),
new Sphere(2, new Vector(-10.5, -2, -16), materialMirror),
new Sphere(1, new Vector(-3, -3, -16), matteMaterial(247, 178, 173)),
new Sphere(1, new Vector(-6, -3, -18), matteMaterial(154, 188, 167)),
new Sphere(1, new Vector(-6, -3, -12), matteMaterial(96, 125, 139)),
new Sphere(1, new Vector(-9.5, -3, -12), matteMaterial(122, 186, 242)),
new Sphere(1, new Vector(0, -3, -14), matteMaterial(250, 91, 15)),
new Sphere(1, new Vector(-3, -3, -11), materialGlass),
new Sphere(1, new Vector(-1, -3, -10), matteMaterial(54, 95, 182)),
new Sphere(1, new Vector(-4.5, -3, -8), matteMaterial(139, 195, 74)),
new Sphere(4, new Vector(4, 0, -18), materialMirror),
new Sphere(1, new Vector(4, -3, -12), matteMaterial(115, 45, 217)),
new Sphere(1.5, new Vector(8.5, -2.5, -10), materialMirror),
new Sphere(1, new Vector(1, -3, -11.5), matteMaterial(255, 200, 0)),
new Sphere(1, new Vector(1.2, -3, -8.2), materialGlass),
new Sphere(1, new Vector(4, -3, -7), matteMaterial(244, 67, 54)),
new Sphere(1, new Vector(5.5, -3, -9.5), matteMaterial(150, 237, 137)),
new Sphere(1, new Vector(6.5, -3, -15), matteMaterial(14, 234, 255)),
new Sphere(1, new Vector(10, -3, -16), matteMaterial(171, 71, 188)),
new Sphere(1, new Vector(11, -3, -20), matteMaterial(190, 189, 191)),
];
const planes = [
new Plane(
-4,
50,
40,
-45,
1.5,
new Colour(116, 101, 87),
new Colour(92, 78, 70)
),
];
const lights = [
new Light(new Vector(30, 50, 40), 2.5),
new Light(new Vector(-20, 50, -25), 0.5),
];
const context = new RaytraceContext(
height,
width,
fov,
spheres,
planes,
lights,
new Colour(221, 221, 221),
options
);
return new RaytraceDispatcher(
framebuffer,
context,
new Logger(),
onRenderComplete
);
}
function parseOptions(): RaytracerOptions {
return {
numThreads: getDesiredThreadCount(),
shadows: getInputElement('shadows-toggle').checked,
diffuseLighting: getInputElement('diffuse-toggle').checked,
specularLighting: getInputElement('specular-toggle').checked,
reflections: getInputElement('reflections-toggle').checked,
refractions: getInputElement('refractions-toggle').checked,
maxRecurseDepth: 5,
maxDrawDistance: 1000,
bufferDrawCalls: getInputElement('buffer-draw').checked,
directMemoryTransfer: getInputElement('direct-transfer').checked,
};
}
function parseResolution(): {width: number; height: number} {
switch (getInputElement('res').value) {
case '360p':
return {width: 640, height: 360};
case '480p':
return {width: 832, height: 480};
case '720p':
default:
return {width: 1280, height: 720};
case '1080p':
return {width: 1920, height: 1080};
case '1440p':
return {width: 2560, height: 1440};
case '4k':
return {width: 3840, height: 2160};
}
}
function registerEventListeners() {
getRenderButton().addEventListener('click', render);
document.getElementById('view-full')!.addEventListener('click', () => {
const canvas = document.getElementById(
'render-output'
) as HTMLCanvasElement;
window.open()!.document.body.innerHTML = `<img src=${canvas.toDataURL()}>`;
});
const threadsSlider = getInputElement('threads');
threadsSlider.addEventListener('input', () => {
getInputElement('threads-value').textContent = threadsSlider.value;
});
const threadToggle = getInputElement('enable-threads-toggle');
threadToggle.addEventListener('change', () => {
threadsSlider.disabled = !threadToggle.checked;
});
}
function getDesiredThreadCount(): number {
if (getInputElement('enable-threads-toggle').checked) {
return Number.parseInt(getInputElement('threads').value);
} else {
return 1;
}
}
function onRenderComplete() {
getRenderButton().classList.remove('loading');
}
function getRenderButton(): HTMLElement {
return document.getElementById('render')!;
}
function getInputElement(elementId: string) {
return document.getElementById(elementId) as HTMLInputElement;
}
function matteMaterial(r: number, g: number, b: number): Material {
return new Material(
new Colour(r, g, b),
new Albedo(0.4, 0.0, 0.0, 0.0),
0,
1
);
}
function glossMaterial(r: number, g: number, b: number): Material {
return new Material(
new Colour(r, g, b),
new Albedo(0.4, 0.1, 0.05, 0),
250,
1
);
}
document.addEventListener
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