import java.awt.Color;

import processing.core.PApplet;

/*
 * Pehr Hovey
 * pehr.hovey@gmail.com
 * MAT259 Data Visualization
 * Winter 2009
 * 
 * BalancePivot.java
 * 
 * This is an object that goes below the pivot point and may also display data
 */
public class BalancePivot {

	double mass;
	long count; //this is the number that this object represents. Will cause mass and size to change proportionally
	float size; //size of object to render
	
	float x1,y1; //coordinates of 'corners' on the ground if this is a 
	float x2,y2;
	
	float midx,midy; //plot two separate triangles meeting at a midpoint
	double mid_pct; //what percentage of the base of the triange is the midpoint at (relative to left corner)
	float apex_x,apex_y; //center point 
	
	float pivot_point_size = 15;

	
	float base_width;
	
	//Assuming this is a triangle
	BalancePivot( float _x1 , float _y1, float _apex_x, float _apex_y, float _x2, float _y2){
	
		count = 100; //default
		x1=_x1;
		y1=_y1;
		x2=_x2;
		y2=_y2;
		apex_y = _apex_y;
		apex_x = _apex_x;
		
		midx = x1;
		midy = y1;
		
		
	}
	
	public void update(float _x1, float _y1, float _x2, float _y2){
		x1=_x1;
		y1=_y1;
		x2=_x2;
		y2=_y2;
		
	}
	
	public void setWidth(float width){
		x1 = apex_x - (width/2);
		x2 = apex_x + (width/2);
	}
	
	public void setMidPercent(double pct){
		mid_pct = pct;
		midx = (float) (x1+pct*(x2-x1));
		midy= (float) (y1+pct*(y2-y1));
		
		
	}
	
}