damaged-thunder/client/js/components/PlayerController.js

import { canvas } from '../Core.js';
import { keys, KeyCode } from '../KeyboardInput.js';
export class PlayerController {
	constructor(pawn, camera) {
		this.pawn = pawn;
		this.camera = camera;
	}

	onMouseDown(event) {
		let canvasBounds = canvas.getBoundingClientRect();
		let touchPoint = {
			x: event.clientX + this.camera.x - canvasBounds.width / 2,
			y: event.clientY + this.camera.y - canvasBounds.height / 2
		};
		let angle = this.getAngleFromPawn(touchPoint);
		if (event.buttons == 1 && event.button == 0) {
			this.pawn.thrustDirection(angle);
		}
		this.pawn.setAngle(angle);
	}

	onMouseMove(event) {
		let canvasBounds = canvas.getBoundingClientRect();
		let touchPoint = {
			x: event.clientX + this.camera.x - canvasBounds.width / 2,
			y: event.clientY + this.camera.y - canvasBounds.height / 2
		};
		let angle = this.getAngleFromPawn(touchPoint);
		if (event.buttons == 1 && event.button == 0) {
			this.pawn.thrustDirection(angle);
		}
		this.pawn.setAngle(angle);
	}

	onMouseUp(event) {
		this.pawn.stopThrust();
	}

	onTouchStart(event) {
		let canvasBounds = canvas.getBoundingClientRect();
		let touchPoint = {
			x: event.touches[0].clientX + this.camera.x - canvasBounds.width / 2,
			y: event.touches[0].clientY + this.camera.y - canvasBounds.height / 2
		};
		let angle = this.getAngleFromPawn(touchPoint);
		this.pawn.thrustDirection(angle);
	}

	onTouchMove(event) {
		let canvasBounds = canvas.getBoundingClientRect();
		let touchPoint = {
			x: event.touches[0].clientX + this.camera.x - canvasBounds.width / 2,
			y: event.touches[0].clientY + this.camera.y - canvasBounds.height / 2
		};
		let angle = this.getAngleFromPawn(touchPoint);
		this.pawn.thrustDirection(angle);
	}

	onTouchEnd(event) {
		event.preventDefault();
		this.pawn.stopThrust();
	}

	getAngleFromPawn(touchPoint) {
		return Math.atan2(touchPoint.y - this.pawn.position.y, touchPoint.x - this.pawn.position.x);
	}
}