【Processing入门】第六七章:函数和数组

来源：互联网发布：大连高新达内软件编辑：程序博客网时间：2024/05/22 01:59

1.函数和数组的使用案例

Eye[] hiEye = new Eye[100];void setup(){  size(300,300);  smooth();  panda(100,100,2);  panda(200,200,1.3);  }void panda(int x,int y,float s){  pushMatrix();  translate(x,y);  scale(s);  //ears  fill(0);  strokeWeight(1);  stroke(255);  ellipse(-35,-25,35,35);  ellipse(35,-25,35,35);  //head  fill(255);  strokeWeight(1);  stroke(0);  ellipse(0,0,100,90);  //eye  fill(0);  ellipse(-25,5,30,35);  ellipse(25,5,30,35);  fill(255);  ellipse(-25,0,6,6);  ellipse(25,0,6,6);    fill(0);  ellipse(0,25,7,5);    noFill();  stroke(0);  strokeWeight(1);  bezier(-2.5,35,-2.5,37,2.5,37,2.5,35);  popMatrix();}class Eye{  color c;  float x;  void display()  {      }}

2.图片的使用

tint()用于设置图片的色彩填充值

PImage photo;void setup(){  size(300,300);  photo=loadImage("008.jpg");  tint(255,0,255,50);}void draw(){  background(0);  //image(photo,0,0);  //image(photo,0,0,150,150);  image(photo,mouseX,mouseY,150,150);  int h = int(random(photo.height));  int w = int(random(photo.width));  int all=w+h*photo.width;  loadPixels();  float r = red(photo.pixels[all]);  float g = green(photo.pixels[all]);  float b = blue(photo.pixels[all]);}

3.文字

PFont f;PFont f_new;String message = "Processing is coming!";void setup(){  size(300,300);  smooth();  f=loadFont("SegoeUI-Light-48.vlw");  f_new=createFont("Arial",36,true);  textFont(f,48);  textFont(f_new,48);}void draw(){  background(200);  textSize(48);  fill(0);  text("I feel fine",10,100);  textSize(36);  text("I feel fine",10,150);  textSize(24);  text("I feel fine",10,190);  fill(255,255,0);  text(message,10,10,290,290);}

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