17/11/06 德宇的筆記Week08

目標一:製作雪球大戰

製作進度預覽：

程式碼：

PImage imgBG;

import processing.sound.*;

SoundFile sound;

SoundFile sound1;

SoundFile sound2;

PVector[]enemy=new PVector[5];

PVector[]enemyV=new PVector[5];

int now =0;

int stage=0;

void reborn(int i)

{

  enemy[i]=new PVector(random(500), random(500));

  float angle=random(2*PI);

  enemyV[i]=new PVector(3*cos(angle), 3*sin(angle));

}    

void setup()

{

  imgBG=loadImage("1.jpg");

  fill(0, 0, 0);

  size(500, 500);

  for (int i=0; i<5; i++)

  {

    reborn(i);

  }

  sound = new SoundFile(this,"Battle Theme.mp3");

  sound.play();

}

int kidsize=30;

float kidX=250, kidY=250, dir=0;

float [] ballX=new float[5];

float [] ballY=new float[5];

float [] ballVX=new float[5];

float [] ballVY=new float[5];

boolean ballFly=false;

float [] kid= new float[5];

float [] ball= new float[5];

int score=0;

int heart=5;

void draw()

{

  if (stage==0) 

  {

    fill(255, 0, 0);

    textSize(60);

    text("Click to Start", 20, 100);

  } 

  else if (stage==1) 

  {  

    background(imgBG);

    textSize(30);

    fill(0);

    text("Score:" + score + "   Heart:" + heart, 30, 30);

    for (int i=0; i<5; i++)

    {

      fill(255, 220, 40);

      enemy[i].x +=enemyV[i].x;

      enemyV[i].y+=enemyV[i].y;

      ellipse(enemy[i].x, enemy[i].y, 30, 30);

      if (enemy[i].x<0||enemy[i].x>500

        ||enemy[i].y<30||enemy[i].y>500) reborn(i);

      fill(255, 40, 40);

      ellipse(kidX, kidY, 50, 50);

      beginShape(POLYGON);

      vertex(kidX+kidsize*cos(radians(dir+80)), kidY+kidsize*sin(radians(dir+80)));

      vertex(kidX+kidsize*cos(radians(dir+100)), kidY+kidsize*sin(radians(dir+100)));

      vertex(kidX+kidsize*cos(radians(dir-100)), kidY+kidsize*sin(radians(dir-100)));

      vertex(kidX+kidsize*cos(radians(dir-80)), kidY+kidsize*sin(radians(dir-80)));

      endShape();

      if (ballFly)

      {

        fill(255);

        ellipse(ballX[now], ballY[now], 10, 10);

        ballX[now]+=ballVX[now];

        ballY[now]+=ballVY[now];

        now++;

        if (now>=5)now=0;

      } 

      if(dist (enemy[i].x,enemy[i].y,ballX[now],ballY[now])<40) 

       {

       score+=10;

       reborn(i);

       if(score>=100)stage=3;

       }

       if(dist(enemy[i].x,enemy[i].x,kidX,kidY)<1)

       {

       heart--;

       if(heart<=0)stage=2;

       reborn(i);

       }

    }

  } else if (stage==2) {

    background(0, 0, 0);

    fill(255);

    textSize(80);

    text("You lose =(", 30, 250);

    sound2 = new SoundFile(this, "Game Over.mp3");

  } else if (stage==3) {

    background(255, 255, 255);

    fill(0);

    textSize(80);

    text("You win!!", 80, 250);

    sound1 = new SoundFile(this, "Victory.mp3");

  }

}

void keyPressed()

{

  if (keyCode==RIGHT) dir+=20;

  if (keyCode==LEFT) dir-=20;

  if (keyCode==UP)

  { 

    kidX += 10*cos(radians(dir));

    kidY += 10*sin(radians(dir));

  }

  if (keyCode==DOWN)

  {

    kidX -= 10*cos(radians(dir));

    kidY -= 10*sin(radians(dir));

  }

  if (key==' ')

  {

    ballX[now]=kidX; 

    ballY[now]=kidY; 

    ballVX[now]=10*cos(radians(dir)); 

    ballVY[now]=10*sin(radians(dir)); 

    ballFly=true;

  }

} 

void mousePressed() {

  if (stage==0) {

    stage=1;

  }

  if (stage==2||stage==3) {

    stage=0;

    heart=5;

    score=0;

  }

}