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Added orthographic projection and a profile angle to the volumetric mode when effects are off.

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Rezmason
2021-11-08 09:47:56 -08:00
parent 11bba1020d
commit cf02073ff3
2 changed files with 34 additions and 4 deletions
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19
js/webgpu/rainPass.js
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@@ -52,7 +52,14 @@ export default (context, getInputs) => {
});
const transform = mat4.create();
mat4.translate(transform, transform, vec3.fromValues(0, 0, -1));
if (config.effect === "none") {
mat4.rotateX(transform, transform, (Math.PI * 1) / 8);
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 {
mat4.translate(transform, transform, vec3.fromValues(0, 0, -1));
}
const camera = mat4.create();
const linearSampler = device.createSampler({
@@ -130,7 +137,15 @@ export default (context, getInputs) => {
const setSize = (width, height) => {
// Update scene buffer: camera and transform math for the volumetric mode
const aspectRatio = width / height;
mat4.perspectiveZO(camera, (Math.PI / 180) * 90, aspectRatio, 0.0001, 1000);
if (config.effect === "none") {
if (aspectRatio > 1) {
mat4.orthoZO(camera, -1.5 * aspectRatio, 1.5 * aspectRatio, -1.5, 1.5, -1000, 1000);
} else {
mat4.orthoZO(camera, -1.5, 1.5, -1.5 / aspectRatio, 1.5 / aspectRatio, -1000, 1000);
}
} else {
mat4.perspectiveZO(camera, (Math.PI / 180) * 90, aspectRatio, 0.0001, 1000);
}
const screenSize = aspectRatio > 1 ? [1, aspectRatio] : [1 / aspectRatio, 1];
device.queue.writeBuffer(sceneBuffer, 0, sceneUniforms.write({ screenSize, camera, transform }));