使用OpenGL绘制鼠标点击三角形

#include <stdio.h>
#include "Line.h"
public void fillTriangle(int x1,int y1,int x2,int y2,int x3,int y3){
System.out.println("fillTriangle:");
System.out.print(x1+","+y1+",");
System.out.print(x2+","+y2+",");
System.out.println(x3+","+y3+",");

int ymin,ymax;

ymax=Math.max(Math.max(y1,y2),y3);
ymin=Math.min(y1,Math.min(y2,y3));
System.out.println("maxY="+ymax+minY="+ymax);
triangleScanlineMinMaxArrays=new int[(ymax-ymin+1)][];
triangleDeltaY=ymin;

calculateLine(x1,y1,x2,y2);
calculateLine(x3,y3,x2,y2);
calculateLine(x1,y1,x3,y3);
for(int l=0;l<triangleScanlineMinMaxArrays.length;l++){
System.out.print("min="+triangleScanlineMinMaxArrays[l][0]);
System.out.println("max="+triangleScanlineMinMaxArrays[l][1]+" y="+l+" deltaY="+triangleDeltaY);
int y=triangleDeltaY+l;
g.drawLine(triangleScanlineMinMaxArrays[l][0],y,triangleScanlineMinMaxArrays[l][1],y);
}


}

public int calculateLine(int x1,int y1,int x2,int y2){