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fixes chrome coords and canvas now starts at center

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Signed-off-by: Victor Seiji Hariki <victorseijih@gmail.com>
This commit is contained in:
Victor Seiji Hariki 2022-11-30 18:46:03 -03:00
parent a63228a552
commit 6d44db5d66
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GPG key ID: F369E3EA50A0DEEE
1 changed files with 24 additions and 21 deletions
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45
js/initalize/layers.populate.js
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@ -49,10 +49,30 @@ layers.registerCollection("mask", {name: "Mask Layers", requiresActive: true});
mouse.registerContext(
"world",
(evn, ctx) => {
// Fix because in chrome layerX and layerY simply doesnt work
/** @type {HTMLDivElement} */
const target = evn.target;
// Get element bounding rect
const bb = target.getBoundingClientRect();
// Get element width/height (css, cause I don't trust client sizes in chrome anymore)
const w = imageCollection.size.w;
const h = imageCollection.size.h;
// Get cursor position
const x = evn.clientX;
const y = evn.clientY;
// Map to layer space
const layerX = ((x - bb.left) / bb.width) * w;
const layerY = ((y - bb.top) / bb.height) * h;
//
ctx.coords.prev.x = ctx.coords.pos.x;
ctx.coords.prev.y = ctx.coords.pos.y;
ctx.coords.pos.x = evn.layerX;
ctx.coords.pos.y = evn.layerY;
ctx.coords.pos.x = layerX;
ctx.coords.pos.y = layerY;
},
{target: imageCollection.inputElement}
);
@ -105,25 +125,8 @@ const viewport = {
},
};
let rotation = 0;
let lastTime = performance.now();
const onframe = () => {
const nowTime = performance.now();
const dt = nowTime - lastTime;
rotation += (10 * dt) / 1000.0;
lastTime = nowTime;
viewport.transform(imageCollection.element);
requestAnimationFrame(onframe);
};
onframe();
viewport.cx = viewport.w / 2;
viewport.cy = viewport.h / 2;
viewport.cx = imageCollection.size.w / 2;
viewport.cy = imageCollection.size.h / 2;
let worldInit = null;