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listen to window instead of canvas and fix mouse position for window #80

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listen to window instead of canvas and fix mouse position for window #80

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12 changes: 6 additions & 6 deletions script.js
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Original file line number Diff line number Diff line change
Expand Up @@ -1470,11 +1470,11 @@ canvas.addEventListener('mousedown', e => {
updatePointerDownData(pointer, -1, posX, posY);
});

canvas.addEventListener('mousemove', e => {
let pointer = pointers[0];
window.addEventListener('mousemove', e => {
//let pointer = pointers[0];
if (!pointer.down) return;
let posX = scaleByPixelRatio(e.offsetX);
let posY = scaleByPixelRatio(e.offsetY);
let posX = scaleByPixelRatio(e.clientX);
let posY = scaleByPixelRatio(e.clientY);
updatePointerMoveData(pointer, posX, posY);
});

Expand Down Expand Up @@ -1539,8 +1539,8 @@ function updatePointerDownData (pointer, id, posX, posY) {
function updatePointerMoveData (pointer, posX, posY) {
pointer.prevTexcoordX = pointer.texcoordX;
pointer.prevTexcoordY = pointer.texcoordY;
pointer.texcoordX = posX / canvas.width;
pointer.texcoordY = 1.0 - posY / canvas.height;
pointer.texcoordX = posX / (window.width/2);
pointer.texcoordY = 1.0 - posY / (window.height/2);
pointer.deltaX = correctDeltaX(pointer.texcoordX - pointer.prevTexcoordX);
pointer.deltaY = correctDeltaY(pointer.texcoordY - pointer.prevTexcoordY);
pointer.moved = Math.abs(pointer.deltaX) > 0 || Math.abs(pointer.deltaY) > 0;
Expand Down