week13

跑範例

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停車達人

程式碼

void setup() {
size(640, 480, P3D);
rectMode(CENTER);
}
float carX=640/2, carY=320/2;
float carDir=PI, carWheel=0;
void drawCar() {
pushMatrix();
translate(carX, carY);
rotateZ(carDir);
rect(0, 0, 187, 89);
drawWheel(127/2, 89/2, 1);
drawWheel(127/2, -89/2, 1);
drawWheel(-127/2, 89/2, 0);
drawWheel(-127/2, -89/2, 0);

if (keyPressed && keyCode==UP) {
carX+= cos(carDir+carWheel);
carY+=sin(carDir+carWheel);
carDir+=carWheel/50;
} else if (keyPressed && keyCode==DOWN) {
carX-= cos(carDir+carWheel);
carY-=sin(carDir+carWheel);
carDir-=carWheel/50;
} else if (keyPressed && keyCode==RIGHT) {
carWheel+=0.01;
if (carWheel > 0.3) carWheel=0.3;
} else if (keyPressed && keyCode==LEFT) {
carWheel-=0.01;
if (carWheel < -0.3) carWheel=-0.3;
}
popMatrix();
}
void drawWheel(float x, float y, int front) {
pushMatrix();
translate(x, y);
if (front==1) rotateZ(carWheel);
rect(0, 0, 40, 20);
popMatrix();
}
void draw() {
background(100);
drawCar();
rect(0+187/2, 0+89/2, 187, 89);
rect(450+187/2, 0+89/2, 187, 89);
}

跟arduion

程式碼

import processing.serial.*;

Serial myPort;  // Create object from Serial class

int val;  ////////////////////////////////////////////////////////    // Data received from the serial port

void setup() {

size(640, 480, P3D);

myPort = new Serial(this, COM1, 9600);/////////////////////change your port

rectMode(CENTER);

}

float carX=640/2, carY=320/2;

float carDir=PI, carWheel=0;

void drawCar() {

pushMatrix();

translate(carX, carY);

rotateZ(carDir);

rect(0, 0, 187, 89);

drawWheel(127/2, 89/2, 1);

drawWheel(127/2, -89/2, 1);

drawWheel(-127/2, 89/2, 0);

drawWheel(-127/2, -89/2, 0);

if (keyPressed && keyCode==UP) {

carX+= cos(carDir+carWheel); 

carY+=sin(carDir+carWheel);

carDir+=carWheel/50;

} else if (keyPressed && keyCode==DOWN) {

carX-= cos(carDir+carWheel); 

carY-=sin(carDir+carWheel);

carDir-=carWheel/50;

} else if (keyPressed && keyCode==RIGHT) {

carWheel+=0.01;

if (carWheel > 0.3) carWheel=0.3;

} else if (keyPressed && keyCode==LEFT) {

carWheel-=0.01;

if (carWheel < -0.3) carWheel=-0.3;

}

popMatrix();

}

void drawWheel(float x, float y, int front) {

pushMatrix();

translate(x, y);

if (front==1) rotateZ(carWheel);

rect(0, 0, 40, 20);

popMatrix();

}

void draw() {

  while(myPort.available()>0){

      val=myport.read();

      if(val==48){

        carX+=cos(carDir+carWheel);

        carY+=sin(carDir+carWheel);

        carDir+=carWheel/50;

      }

      else if(val==49){

        carX-=cos(carDir+carWheel);

        carY-=sin(carDir+carWheel);

        carDir+=carWheel/50;

      }

  }

background(100);

drawCar();

rect(0+187/2, 0+89/2, 187, 89);

rect(450+187/2, 0+89/2, 187, 89);

}