week04

2019 互動技術 week04

int ballx=300,bally=300; //設變數讓後續的起始座標能有所改變
int vx=-2;//初始速度
void setup(){
  size(700,400);
}
void draw(){
  background(255);
  ellipse(ballx,bally,30,30);
  ballx+=vx;//從一開始的點往左邊走
  if(ballx<0) vx=+2;//讓球可以自己彈回來
  if(ballx>700) vx=-2;
}

float ballx=100,bally=300;
float vx=+2,vy=-10;
void setup(){
  size(600,400);
}
void draw(){
  //background(255);
  ellipse(ballx,bally,30,30);
  ballx+=vx;
  bally+=vy;//println(vy);
  vy+=0.98;//模擬重力
  if(ballx<0+15) vx=-vx*0.9;
  if(ballx>600-15) vx=-vx*0.9;
  if(bally<0+15) vy=-vy*0.9;
  if(bally>400-15) vy=-vy*0.9;
  

}

float ballx=100,bally=300;
float vx=+2,vy=-10;
void setup(){
  size(600,400);
}
void draw(){
  //background(255);
  ellipse(ballx,bally,30,30);
  ballx+=vx;
  bally+=vy;//println(vy);
  
  if(ballx<0+15) vx=-vx*0.9;
  if(ballx>600-15) vx=-vx*0.9;
  if(bally<0+15) vy=-vy*0.9;
  if(bally>400-15){//讓加速度越來越小甚至停止
    vy=-vy*0.9;
    vx=vx*0.9;
    bally=400-15;
  }
  vy+=0.98;

}

PImage imgMario;
float marioX=100,marioY=100;
float marioVX=0,marioVY=0;
void setup(){
  size(500,500);
  imgMario=loadImage("mario.png");
}
void draw(){
  background(255);
  fill(#3E0606);
  rect(0,200,500,50);
  image(imgMario,marioX,marioY,100,100);
  marioX+=marioVX;//加上加速度
  marioY+=marioVY;
  if(marioY<=100) marioVY+=0.9;
  else marioY=100;
}
void keyPressed(){
  if(keyCode==RIGHT) marioX+=3;
  if(keyCode==LEFT) marioX-=3;
  if(keyCode==UP){
    marioVY=-15;
  }

}

PImage imgMario;
float marioX=100,marioY=100;
float marioVX=0,marioVY=0;
void setup(){
  size(500,500);
  imgMario=loadImage("mario.png");
}
void draw(){
  background(255);
  fill(#3E0606);
  rect(0,200,500,50);
  image(imgMario,marioX,marioY,100,100);
  marioX+=marioVX;
  marioY+=marioVY;
  if(softBrake==1)marioVX*=0.9;
  if(marioY<=100) marioVY+=0.9;
  else marioY=100;
}
int softBrake=0;
void keyReleased(){//讓他煞車停下來
  if(keyCode==RIGHT)softBrake=1;
  if(keyCode==LEFT)softBrake=1;
}
void keyPressed(){
  if(keyCode==RIGHT){
    marioVX=3;
    softBrake=0;
  }
  else if(keyCode==LEFT) {
    marioVX=-3;
    softBrake=0;
  }
  else if(keyCode==UP){
    marioVY=-15;
  }

}