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Gouging a simpler project out of the larger project.

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Rezmason
2023-08-22 10:08:48 -07:00
parent 91201830f8
commit c231935475
168 changed files with 21 additions and 5613 deletions
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62
js/regl/rainPass.js
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@@ -29,7 +29,7 @@ const blVert = [1, 0];
const brVert = [1, 1];
const quadVertices = [tlVert, trVert, brVert, tlVert, brVert, blVert];
export default ({ regl, config, lkg }) => {
export default ({ regl, config }) => {
// The volumetric mode multiplies the number of columns
// to reach the desired density, and then overlaps them
const volumetric = config.volumetric;
@@ -198,8 +198,6 @@ export default ({ regl, config, lkg }) => {
screenSize: regl.prop("screenSize"),
},
viewport: regl.prop("viewport"),
attributes: {
aPosition: quadPositions,
aCorner: Array(numQuads).fill(quadVertices),
@@ -218,17 +216,11 @@ export default ({ regl, config, lkg }) => {
mat4.rotateY(transform, transform, (Math.PI * 1) / 4);
mat4.translate(transform, transform, vec3.fromValues(0, 0, -1));
mat4.scale(transform, transform, vec3.fromValues(1, 1, 2));
} else if (lkg.enabled) {
mat4.translate(transform, transform, vec3.fromValues(0, 0, -1.1));
mat4.scale(transform, transform, vec3.fromValues(1, 1, 1));
mat4.scale(transform, transform, vec3.fromValues(0.15, 0.15, 0.15));
} else {
mat4.translate(transform, transform, vec3.fromValues(0, 0, -1));
}
const camera = mat4.create();
const vantagePoints = [];
return makePass(
{
primary: output,
@@ -248,48 +240,16 @@ export default ({ regl, config, lkg }) => {
output.resize(w, h);
const aspectRatio = w / h;
const [numTileColumns, numTileRows] = [lkg.tileX, lkg.tileY];
const numVantagePoints = numTileRows * numTileColumns;
const tileWidth = Math.floor(w / numTileColumns);
const tileHeight = Math.floor(h / numTileRows);
vantagePoints.length = 0;
for (let row = 0; row < numTileRows; row++) {
for (let column = 0; column < numTileColumns; column++) {
const index = column + row * numTileColumns;
const camera = mat4.create();
if (volumetric && config.isometric) {
if (aspectRatio > 1) {
mat4.ortho(camera, -1.5 * aspectRatio, 1.5 * aspectRatio, -1.5, 1.5, -1000, 1000);
} else {
mat4.ortho(camera, -1.5, 1.5, -1.5 / aspectRatio, 1.5 / aspectRatio, -1000, 1000);
}
} else if (lkg.enabled) {
mat4.perspective(camera, (Math.PI / 180) * lkg.fov, lkg.quiltAspect, 0.0001, 1000);
const distanceToTarget = -1; // TODO: Get from somewhere else
let vantagePointAngle = (Math.PI / 180) * lkg.viewCone * (index / (numVantagePoints - 1) - 0.5);
if (isNaN(vantagePointAngle)) {
vantagePointAngle = 0;
}
const xOffset = distanceToTarget * Math.tan(vantagePointAngle);
mat4.translate(camera, camera, vec3.fromValues(xOffset, 0, 0));
camera[8] = -xOffset / (distanceToTarget * Math.tan((Math.PI / 180) * 0.5 * lkg.fov) * lkg.quiltAspect); // Is this right??
} else {
mat4.perspective(camera, (Math.PI / 180) * 90, aspectRatio, 0.0001, 1000);
}
const viewport = {
x: column * tileWidth,
y: row * tileHeight,
width: tileWidth,
height: tileHeight,
};
vantagePoints.push({ camera, viewport });
if (volumetric && config.isometric) {
if (aspectRatio > 1) {
mat4.ortho(camera, -1.5 * aspectRatio, 1.5 * aspectRatio, -1.5, 1.5, -1000, 1000);
} else {
mat4.ortho(camera, -1.5, 1.5, -1.5 / aspectRatio, 1.5 / aspectRatio, -1000, 1000);
}
} else {
mat4.perspective(camera, (Math.PI / 180) * 90, aspectRatio, 0.0001, 1000);
}
[screenSize[0], screenSize[1]] = aspectRatio > 1 ? [1, aspectRatio] : [1 / aspectRatio, 1];
},
(shouldRender) => {
@@ -305,9 +265,7 @@ export default ({ regl, config, lkg }) => {
framebuffer: output,
});
for (const vantagePoint of vantagePoints) {
render({ ...vantagePoint, transform, screenSize, vert: rainPassVert.text(), frag: rainPassFrag.text() });
}
render({ camera, transform, screenSize, vert: rainPassVert.text(), frag: rainPassFrag.text() });
}
}
);