andras/sdf-2d
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Simplify logic

Browse source
This commit is contained in:
Andras Schmelczer 2026-06-10 21:41:13 +01:00
parent 0da4144b9d
commit cbd97605a5
2 changed files with 24 additions and 22 deletions
Download patch file Download diff file Expand all files Collapse all files

30
src/graphics/graphics-library/texture/palette-texture.ts
View file

@ -14,21 +14,27 @@ export class PaletteTexture extends Texture {
}
public setPalette(colors: Array<vec3 | vec4>) {
const canvas = document.createElement('canvas');
canvas.width = this.paletteSize;
canvas.height = 1;
const ctx = canvas.getContext('2d')!;
const imageData = ctx.createImageData(this.paletteSize, 1);
const data = new Uint8Array(this.paletteSize * 4);
const toByte = (v: number) => Math.min(255, Math.max(0, Math.round(v * 255)));
colors.forEach((c, i) => {
imageData.data[4 * i + 0] = c[0] * 255;
imageData.data[4 * i + 1] = c[1] * 255;
imageData.data[4 * i + 2] = c[2] * 255;
imageData.data[4 * i + 3] = c.length == 4 ? c[3] * 255 : 255;
data[4 * i + 0] = toByte(c[0]);
data[4 * i + 1] = toByte(c[1]);
data[4 * i + 2] = toByte(c[2]);
data[4 * i + 3] = c.length == 4 ? toByte(c[3]) : 255;
});
ctx.putImageData(imageData, 0, 0);
this.setImage(canvas);
this.bind();
this.gl.texImage2D(
this.gl.TEXTURE_2D,
0,
this.gl.RGBA,
this.paletteSize,
1,
0,
this.gl.RGBA,
this.gl.UNSIGNED_BYTE,
data
);
}
}

16
src/graphics/rendering/render-pass/lights-render-pass.ts
View file

@ -22,18 +22,14 @@ export class LightsRenderPass extends RenderPass {
commonUniforms.uvToWorld
);
const halfViewAreaX = commonUniforms.worldAreaInView.x / 2;
const halfViewAreaY = commonUniforms.worldAreaInView.y / 2;
const drawablesNearTile = this.drawables.filter((l) => {
const d = vec2.subtract(
vec2.create(),
[
Math.abs(l.center.x - tileCenterWorldCoordinates.x),
Math.abs(l.center.y - tileCenterWorldCoordinates.y),
],
vec2.scale(vec2.create(), commonUniforms.worldAreaInView, 0.5)
);
const dX = Math.abs(l.center.x - tileCenterWorldCoordinates.x) - halfViewAreaX;
const dY = Math.abs(l.center.y - tileCenterWorldCoordinates.y) - halfViewAreaY;
const distance =
vec2.length([Math.max(d.x, 0), Math.max(d.y, 0)]) +
Math.min(Math.max(d.x, d.y), 0.0);
Math.hypot(Math.max(dX, 0), Math.max(dY, 0)) + Math.min(Math.max(dX, dY), 0);
l.setLightnessRatio(clamp01(1 - distance / this.lightCutoffDistance));
return distance < this.lightCutoffDistance;