Function pointerdown

src/tools.js:164–174

()

	y_max: -Infinity,

	pointerdown() {
		this.x_min = pointer.x;
		this.x_max = pointer.x + 1;
		this.y_min = pointer.y;
		this.y_max = pointer.y + 1;
		this.points = [];
		this.preview_canvas = make_canvas(main_canvas.width, main_canvas.height);

		// End prior selection, drawing it to the canvas
		deselect();
	},
	paint(_ctx, _x, _y) {
		// Constrain the pointer to the canvas
		pointer.x = Math.min(main_canvas.width, pointer.x);