/
coordinateMode.ts
46 lines (40 loc) · 1.15 KB
/
coordinateMode.ts
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import { sceneVariables } from './scene';
/**
* By default, p5 uses a left-handed coordinate system with the origin placed
* at the top-left corner of the canvas. This library overrides p5's default
* behavior
*
* arguments: midRight, midLeft, left, right
* midRight: origin at middle and right
* midLeft: origin at middle
*
*/
export function coordinateMode(system: string) {
switch (system) {
case 'right':
sceneVariables.xMode = 1;
sceneVariables.yMode = 1;
break;
case 'left':
sceneVariables.xMode = 1;
sceneVariables.yMode = -1;
break;
// TODO : change orgin to center for SVGs and all other geometrical objects
case 'midRight':
sceneVariables.xMode = 1;
sceneVariables.yMode = 1;
// TODO: sceneVariables.originX = width/2;
// TODO: sceneVariables.originY = height/2;
break;
case 'midLeft':
sceneVariables.xMode = 1;
sceneVariables.yMode = -1;
// TODO: sceneVariables.originX = width/2;
// TODO: sceneVariables.originY = height/2;
break;
default:
sceneVariables.xMode = 1;
sceneVariables.yMode = 1;
break;
}
}