@tolokoban/tgd
Version:
ToloGameDev library for WebGL2
23 lines • 2.68 kB
JavaScript
import { TgdTransfo } from "./../../math/index.js";
import { tgdCalcMix } from "../math.js";
import { tgdActionCreateTransfoInterpolation } from "./transfo.js";
export function tgdActionCreateCameraInterpolation(camera, destination) {
var _a, _b;
const transfoDestination = new TgdTransfo(camera.transfo).from(destination);
transfoDestination.debug();
if (typeof destination.distance === "number")
transfoDestination.distance = destination.distance;
const beginZoom = camera.zoom;
const endZoom = (_a = destination.zoom) !== null && _a !== void 0 ? _a : beginZoom;
const action = tgdActionCreateTransfoInterpolation(camera.transfo, transfoDestination);
const beginSpaceHeightAtTarget = camera.spaceHeightAtTarget;
const endSpaceHeightAtTarget = (_b = destination.spaceHeightAtTarget) !== null && _b !== void 0 ? _b : camera.spaceHeightAtTarget;
return (t) => {
action(t);
if (typeof destination.spaceHeightAtTarget === "number") {
camera.spaceHeightAtTarget = tgdCalcMix(beginSpaceHeightAtTarget, endSpaceHeightAtTarget, t);
}
camera.zoom = tgdCalcMix(beginZoom, endZoom, t);
};
}
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