@Override
	public void render(int mask) {
		GL11.glDisable(GL11.GL_TEXTURE_2D);
    	GL11.glDisable(GL11.GL_BLEND);
    	GL11.glEnable(GL11.GL_LINE_STIPPLE);
    	GL11.glLineWidth((float) this.lineWidth);
    	this.forceColor.apply();
    	
		GL11.glBegin(GL11.GL_LINES);
		for (Force force : this.forces) {
			GL11.glVertex2d(force.px, force.py);
			GL11.glVertex2d(force.px + force.vx * this.forceScale, force.py + force.vy * this.forceScale);
		}
		GL11.glEnd();
    	GL11.glDisable(GL11.GL_LINE_STIPPLE);
		
		this.forces.clear();
	}