Week 13 王暄淇

車子的程式

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);
}

利用按鈕的範例 INPUT_PULLUP  https://www.arduino.cc/en/Tutorial/InputPullupSerial
以及P語言的範例Simple Read
增加修改車子的程式

加上其他 前後左右