playcanvas/build/playcanvas/src/scene/lighting/lighting-params.js

Open-source WebGL/WebGPU 3D engine for the web

import { math } from "../../core/math/math.js";
import { Vec3 } from "../../core/math/vec3.js";
import { SHADOW_PCF3_32F } from "../constants.js";
class LightingParams {
	_areaLightsEnabled = false;
	_cells = new Vec3(10, 3, 10);
	_maxLightsPerCell = 255;
	_shadowsEnabled = true;
	_shadowType = SHADOW_PCF3_32F;
	_shadowAtlasResolution = 2048;
	_cookiesEnabled = false;
	_cookieAtlasResolution = 2048;
	debugLayer;
	atlasSplit = null;
	constructor(supportsAreaLights, maxTextureSize, dirtyLightsFnc) {
		this._supportsAreaLights = supportsAreaLights;
		this._maxTextureSize = maxTextureSize;
		this._dirtyLightsFnc = dirtyLightsFnc;
	}
	applySettings(render) {
		this.shadowsEnabled = render.lightingShadowsEnabled ?? this.shadowsEnabled;
		this.cookiesEnabled = render.lightingCookiesEnabled ?? this.cookiesEnabled;
		this.areaLightsEnabled = render.lightingAreaLightsEnabled ?? this.areaLightsEnabled;
		this.shadowAtlasResolution = render.lightingShadowAtlasResolution ?? this.shadowAtlasResolution;
		this.cookieAtlasResolution = render.lightingCookieAtlasResolution ?? this.cookieAtlasResolution;
		this.maxLightsPerCell = render.lightingMaxLightsPerCell ?? this.maxLightsPerCell;
		this.shadowType = render.lightingShadowType ?? this.shadowType;
		if (render.lightingCells) {
			this.cells = new Vec3(render.lightingCells);
		}
	}
	set cells(value) {
		this._cells.copy(value);
	}
	get cells() {
		return this._cells;
	}
	set maxLightsPerCell(value) {
		this._maxLightsPerCell = math.clamp(value, 1, 255);
	}
	get maxLightsPerCell() {
		return this._maxLightsPerCell;
	}
	set cookieAtlasResolution(value) {
		this._cookieAtlasResolution = math.clamp(value, 32, this._maxTextureSize);
	}
	get cookieAtlasResolution() {
		return this._cookieAtlasResolution;
	}
	set shadowAtlasResolution(value) {
		this._shadowAtlasResolution = math.clamp(value, 32, this._maxTextureSize);
	}
	get shadowAtlasResolution() {
		return this._shadowAtlasResolution;
	}
	set shadowType(value) {
		if (this._shadowType !== value) {
			this._shadowType = value;
			this._dirtyLightsFnc();
		}
	}
	get shadowType() {
		return this._shadowType;
	}
	set cookiesEnabled(value) {
		if (this._cookiesEnabled !== value) {
			this._cookiesEnabled = value;
			this._dirtyLightsFnc();
		}
	}
	get cookiesEnabled() {
		return this._cookiesEnabled;
	}
	set areaLightsEnabled(value) {
		if (this._supportsAreaLights) {
			if (this._areaLightsEnabled !== value) {
				this._areaLightsEnabled = value;
				this._dirtyLightsFnc();
			}
		}
	}
	get areaLightsEnabled() {
		return this._areaLightsEnabled;
	}
	set shadowsEnabled(value) {
		if (this._shadowsEnabled !== value) {
			this._shadowsEnabled = value;
			this._dirtyLightsFnc();
		}
	}
	get shadowsEnabled() {
		return this._shadowsEnabled;
	}
}
export {
	LightingParams
};