11=interface=20130607
TRANSCRIPT
ProcessingProcessing
11
Interface IInterface I 介面 介面 II
Input : Mouse I, IIInput : Mouse I, II
mouseX, mouseY,pmouseX, pmouseY, mousePressed, mouseButton,cursor(), noCursor().
void setup() { size(400,400); background(255); ellipseMode(CENTER);}
void draw() { noFill(); stroke(2); circles(mouseX,mouseY);}
void circles(int x, int y) { translate(x,y); ellipse(0,0,50,50);}
void setup() { size(400,400); background(255); ellipseMode(CENTER);}
void draw() { noFill(); stroke(2); circles(mouseX,mouseY);}
void circles(int x, int y) { translate(x,y); ellipse(0,0,50,50);}
void setup() { size(400,400); background(255); ellipseMode(CENTER);}
void draw() { noFill(); stroke(2); if (mousePressed == true) { circles(mouseX,mouseY); }}
void circles(int x, int y) { translate(x,y); ellipse(0,0,50,50);}
void setup() { size(400,400); background(255); ellipseMode(CENTER); smooth(); strokeWeight(3);}
void draw() { noStroke(); fill(random(255),random(255),random(255),random(200)); if (mousePressed == true) { circles(mouseX,mouseY);}}
void circles(int x, int y) { translate(x,y); ellipse(0,0,50, 50);}
void setup() { size(400,400); background(255); ellipseMode(CENTER); smooth(); strokeWeight(3);}
void draw() { noStroke(); fill(random(255),random(255),random(255),random(200)); if (mousePressed == true) { circles(mouseX,mouseY);}}
void circles(int x, int y) { translate(x,y); ellipse(0,0,50,random(50));}
void circles(int x, int y) { translate(x,y); ellipse(0,0,50,random(50));}
void circles(int x, int y) { translate(x,y); ellipse(0,0,random(100),random(100));}
void setup() { size(400,400); background(255); ellipseMode(CENTER); smooth(); strokeWeight(3);}
void draw() { noStroke(); fill(random(255),random(255),random(255),random(200)); if (mousePressed == true) { circles(mouseX,mouseY);}}
void circles(int x, int y) { translate(x,y); ellipse(0,0,random(100),random(100));}
void setup() { size(400,400); background(255); ellipseMode(CENTER); smooth(); strokeWeight(3);}
void draw() { if (mousePressed == true) { lines(mouseX,mouseY);}}
void lines(int x, int y) { translate(x,y); line(0,0,random(100),random(100));}
void lines(int x, int y) { translate(x,y); // stroke(random(255)); stroke(random(255),random(255),random(255)); float d = random(50); line(0,0,d,d);}
void setup() { size(400,400); background(255); ellipseMode(CENTER); smooth(); strokeWeight(3);}
void draw() { if (mousePressed == true) { lines(mouseX,mouseY);}}
void lines(int x, int y) { translate(x,y); // stroke(random(255)); stroke(random(255),random(255),random(255)); float d = random(50); line(0,0,d,d);}
void setup() { size(400,400); }void draw() { noFill(); stroke(1); rectangles(mouseX,mouseY);}void rectangles(int x, int y) { translate(x,y); rect(-5,-5,10,10); rect(-15,-15,30,30); rect(-25,-25,50,50);}
void setup() { size(400,400); }void draw() { noFill(); stroke(1); if (mousePressed == true) { rectangles(mouseX,mouseY);}}void rectangles(int x, int y) { translate(x,y); rect(-5,-5,10,10); rect(-15,-15,30,30); rect(-25,-25,50,50);}
void setup() { size(400,400); ellipseMode(CENTER); strokeWeight(2); smooth(); }void draw() { noFill(); stroke(1); if (mousePressed == true) { Bulleye(mouseX,mouseY);}}void Bulleye(int x, int y) { translate(x,y); fill(255); ellipse(0,0,50,50); fill(0); ellipse(0,0,30,30); fill(255); ellipse(0,0,10,10);}
void setup() { size(400,400); smooth();}void draw() { noFill(); stroke(1); if ((mousePressed == true) && (mouseButton == LEFT)) { rectangles(mouseX,mouseY);} if ((mousePressed == true) && (mouseButton == RIGHT)) { circles(mouseX,mouseY);}}void rectangles(int x, int y) { translate(x,y); rect(-5,-5,10,10); rect(-15,-15,30,30); rect(-25,-25,50,50);}
void circles(int x, int y) { translate(x,y); ellipse(0,0,10,10); ellipse(0,0,30,30); ellipse(0,0,50,50);}
int num = 10;
void setup(){ size(400, 400); smooth(); noFill();}
void draw() { background(255); for (int y = 0; y <= num; y ++) { for (int x = 0; x <= num; x ++) { stroke(random(255),random(255),random(255)); float posX = width / num * x; float posY = height / num * y; ellipse(posX, posY, 10, 10);}}}
int num = 10;
void setup(){ size(400, 400); smooth(); noFill();}
void draw() { background(255); randomSeed(0); strokeWeight(mouseY / 50); for (int y = 0; y <= num; y ++) { for (int x = 0; x <= num; x ++) { stroke(random(255),random(255),random(255)); float posX = width / num * x; float posY = height / num * y; float shiftX = random(-mouseX, mouseX) / 20; float shiftY = random(-mouseX, mouseX) / 20; ellipse(posX+shiftX, posY+shiftY, mouseY/5, mouseY/5);}}}
void setup() { size(100, 100); noCursor();}void draw() { background(204); if (mousePressed == true) { cursor();}}
void setup() { size(100, 100); strokeWeight(8); smooth();}void draw() { background(204); line(mouseX, mouseY, pmouseX, pmouseY);}
mousePressed(), mouseReleased(), mouseMoved(), mouseDragged()keyPressed(), keyReleased()loop(), redraw()
Input 3:Events (P.229)
constrain(), dist(), abs(), atan2()
Input 4:Mouse II (P.237)
Ch. 23, 2706/07/2013