/*****************
Qianlin Xu
2018/09/29
Skeet Shooting
*************/

//declaring varibales
//float 
float cloud1X;
float cloud1PosY;
float cloud1Speed;

float cloud2X;
float cloud2PosY;
float cloud2Speed;

float frisbee1X;
float frisbee1PosY;
float frisbee1Speed;
float frisbee1Angle;

float frisbee2X;
float frisbee2PosY;
float frisbee2Speed;
float frisbee2Angle;

int score=0;
//set up
void setup(){
   size(400,400);
   ellipseMode(CENTER);
rectMode(CENTER);
   noCursor();
   
   //initialize varibales
   cloud1X=340;
   cloud1PosY=random(40,160);
   cloud1Speed=random(0.1,0.5);
   
   cloud2X=100;
   cloud2PosY=random(80,180);
   cloud2Speed=random(0.1,0.5);
   
   frisbee1X=-50;
   frisbee1PosY=random(140,400);
   frisbee1Speed=random(3,6);
   frisbee1Angle=random(sin(frameCount*0.01),sin(frameCount*0.05));
   
   frisbee2X=450;
   frisbee2PosY=random(140,400);
   frisbee2Speed=random(3,6);
   frisbee2Angle=random(sin(frameCount*0.01),sin(frameCount*0.05));
   
}

//functions
void draw(){
   //sets background colour to light blue
   background(255,255,193);
   
   //score counter text
   fill(0);
   text("Score:"+score,10,20);
   
   //function calls
   drawBackground();
   drawCloud1();
   drawCloud2();
   
   drawFrisbee1();
   drawFrisbee2();
   //drawFrisbee3();
   //drawFrisbee4();
   
   drawAimPoint();
}

//draw Background
void drawBackground(){
   //draw sky layer
   noStroke();
   fill(255,210,165);
   rect(200,160,400,100);
   fill(211,140,173);
   rect(200,250,400,80);
   fill(138,121,175);
   rect(200,320,400,60);

   //draw mountain
   fill(14,173,59);
   ellipse(120,420,280,520);
   ellipse(380,400,280,400);
   //draw sun
   fill(215,70,13);
   ellipse(320,40,40,40);
}

//draw cloud1
void drawCloud1(){
   fill(255,255,255,200);
   ellipse(cloud1X,cloud1PosY,240,60);
   
   //make cloud move
   if(cloud1X>-120){
      cloud1X=cloud1X-cloud1Speed;
   }
   else{
      //reset
      cloud1X=500;
      cloud1PosY=random(40,140);
      cloud1Speed=random(0.1,0.5);
   }   
}

//draw cloud2
void drawCloud2(){
   fill(255,255,255,230);
   ellipse(cloud2X,cloud2PosY,120,40);
   
   //make cloud move
   if(cloud2X>-120){
      cloud2X=cloud2X-cloud2Speed;
   }
   else{
      //reset
      cloud2X=500;
      cloud2PosY=random(40,140);
      cloud2Speed=random(0.1,0.5);
   }
}

//draw aim point
void drawAimPoint(){
   noFill();
   stroke(0);
   ellipse(mouseX,mouseY,20,20);
   line(mouseX-13,mouseY,mouseX-7,mouseY);
   line(mouseX+13,mouseY,mouseX+7,mouseY);
   line(mouseX,mouseY-13,mouseX,mouseY-7);
   line(mouseX,mouseY+13,mouseX,mouseY+7);
   fill(0);
   ellipse(mouseX,mouseY,4,4);
}

//draw frisbee1
void drawFrisbee1(){
   fill(0);
   ellipse(frisbee1X,frisbee1PosY,40,20);
   
   //make the frisbee fly through sky
   if(frisbee1X<450){
      frisbee1X=frisbee1X+frisbee1Speed;
      frisbee1PosY=frisbee1PosY-frisbee1Angle;
   }
   else{
      //reset
      frisbee1X=random(-50,-200);
      frisbee1PosY=random(140,400);
      frisbee1Speed=random(3,6);
      frisbee2Angle=random(sin(frameCount*0.01),sin(frameCount*0.05));
   }
   //If frisbee is clicked,disappear
   if (mousePressed){
      if(mouseX>frisbee1X-20){
         if(mouseX<frisbee1X+20){
            if (mouseY>frisbee1PosY-10){
               if (mouseY<frisbee1PosY+10){
                  //then reset
                  score=score+1;
                  frisbee1X=random(-50,-200);
                  frisbee1PosY=random(140,400);
                  frisbee1Speed=random(3,6);
                  frisbee1Angle=random(sin(frameCount*0.01),sin(frameCount*0.05));
               }
            }
         }
      }
   }
}

//draw frisbee2
void drawFrisbee2(){
   fill(0);
   ellipse(frisbee2X,frisbee2PosY,40,20);
   
   //make the frisbee fly through sky
   if(frisbee2X>-50){
      frisbee2X=frisbee2X-frisbee2Speed;
      frisbee2PosY=frisbee2PosY-frisbee2Angle;
   }
   else{
      //reset
      frisbee2X=random(450,600);
      frisbee2PosY=random(140,400);
      frisbee2Speed=random(3,6);
      frisbee2Angle=random(sin(frameCount*0.01),sin(frameCount*0.05));
   }
   //If frisbee is clicked,disappear
   if (mousePressed){
      if(mouseX>frisbee2X-20){
         if(mouseX<frisbee2X+20){
            if (mouseY>frisbee2PosY-10){
               if (mouseY<frisbee2PosY+10){
                  //then reset
                  score=score+1;
                  frisbee2X=random(450,600);
                  frisbee2PosY=random(140,400);
                  frisbee2Speed=random(3,6);
                  frisbee2Angle=random(sin(frameCount*0.01),sin(frameCount*0.05));
               }
            }
         }
      }
   }
}