"use strict"

class Goal{
	
	constructor(){
		this.dim = createVector(200, 375);
	}
	
	setBrick(b){
		this.pos = createVector(b.pos.x + b.dim.x / 2, b.pos.y);
		this.vel = b.vel;
		this.brick = b;
	}
	
	update(){
		let b = this.brick;
		this.pos = createVector(b.pos.x + b.dim.x / 2, b.pos.y);
	}
	
	display(){
		this.show();
	}
	
	show(){
		fill(colors.goal.main);
		noStroke();
		rect(this.pos.x - this.dim.x / 2, this.pos.y - this.dim.y * 0.76, this.dim.x, this.dim.y * 0.76);
		triangle(this.pos.x - this.dim.x / 2, this.pos.y - this.dim.y * 0.75, this.pos.x, this.pos.y - this.dim.y, this.pos.x + this.dim.x / 2, this.pos.y - this.dim.y * 0.75);
		stroke(colors.goal.roof);
		strokeWeight(20);
		line(this.pos.x - this.dim.x / 2 - this.dim.x * 0.1, this.pos.y - this.dim.y * 0.75 + this.dim.x * 0.1, this.pos.x, this.pos.y - this.dim.y);
		line(this.pos.x + this.dim.x / 2 + this.dim.x * 0.1, this.pos.y - this.dim.y * 0.75 + this.dim.x * 0.1, this.pos.x, this.pos.y - this.dim.y);
		fill(colors.goal.hole);
		noStroke();
		rect(this.pos.x - this.dim.x / 3, this.pos.y - this.dim.y * 0.41, this.dim.x * 2 / 3, this.dim.y * 0.41);
		arc(this.pos.x, this.pos.y - this.dim.y * 0.4, this.dim.x * 2 / 3, this.dim.x * 2 / 3, PI, TWO_PI);
	}
	
	contains(p){
		if (p.pos.x + p.radius < this.pos.x + this.dim.x / 2 && p.pos.x - p.radius > this.pos.x - this.dim.x / 2
		   && p.pos.y - p.radius > this.pos.y - this.dim.y && p.pos.y + p.radius <= this.pos.y){
			return true;
		}
		return false;
	}
	
	hint(player, world){
		let pl = player.pos.copy();
		let gl = this.pos.copy();
		let v = p5.Vector.sub(gl, pl).normalize();
		let d = dist(pl.x, pl.y, gl.x, gl.y);
		while (true){
			v.setMag(v.mag() + 1);
			if (pl.x + v.x > viewPort.x + width - 20
			   || pl.x + v.x < viewPort.x + 20
			   || pl.y + v.y > viewPort.y + height - 20
			   || pl.y + v.y < viewPort.y + 20){
				break;
			}
		}
		if (v.mag() > d) return;
		
		let pos = p5.Vector.add(pl, v);
		
		//green starts at a distance of worldWidth / 3
		let r = d / (world.dim.x / 3) * 255;
		
		//Arrow
		push();
		translate(pos.x, pos.y);
		rotate(v.heading());
		strokeWeight(3);
		stroke(0);
		fill(r, 255 - r, 0);
		
		//Arrow
		beginShape();
		vertex(0, 0);
		vertex(-10, 10);
		vertex(-10, 5);
		vertex(-30, 5);
		vertex(-30, -5);
		vertex(-10, -5);
		vertex(-10, -10);
		vertex(0, 0);
		endShape();
		pop();
	}
	
}