播出gif檔
1.程式範例
程式碼：
/**
* Sequential
* by James Paterson.
*
* Displaying a sequence of images creates the illusion of motion.
* Twelve images are loaded and each is displayed individually in a loop.
*/
// @pjs preload must be used to preload media if the program is
// running with Processing.js
/* @pjs preload="PT_anim0000.gif, PT_anim0001.gif, PT_anim0002.gif, PT_anim0003.gif,
PT_anim0004.gif, PT_anim0005.gif, PT_anim0006.gif, PT_anim0007.gif, PT_anim0008.gif,
PT_anim0009.gif, PT_anim0010.gif, PT_anim0011.gif"; */
int numFrames = 12; // The number of frames in the animation
int currentFrame = 0;
PImage[] images = new PImage[numFrames];
void setup() {
size(640, 360);
frameRate(24);
images[0] = loadImage("PT_anim0000.gif");
images[1] = loadImage("PT_anim0001.gif");
images[2] = loadImage("PT_anim0002.gif");
images[3] = loadImage("PT_anim0003.gif");
images[4] = loadImage("PT_anim0004.gif");
images[5] = loadImage("PT_anim0005.gif");
images[6] = loadImage("PT_anim0006.gif");
images[7] = loadImage("PT_anim0007.gif");
images[8] = loadImage("PT_anim0008.gif");
images[9] = loadImage("PT_anim0009.gif");
images[10] = loadImage("PT_anim0010.gif");
images[11] = loadImage("PT_anim0011.gif"); //一張一張播放
// If you don't want to load each image separately
// and you know how many frames you have, you
// can create the filenames as the program runs.
// The nf() command does number formatting, which will
// ensure that the number is (in this case) 4 digits.
//for (int i = 0; i < numFrames; i++) {
// String imageName = "PT_anim" + nf(i, 4) + ".gif";
// images[i] = loadImage(imageName);
//}
}
void draw() {
background(0);
currentFrame = (currentFrame+1) % numFrames; // Use % to cycle through frames
int offset = 0;
for (int x = -100; x < width; x += images[0].width) {
image(images[(currentFrame+offset) % numFrames], x, -20);
offset+=2;
image(images[(currentFrame+offset) % numFrames], x, height/2);
offset+=2;
}
}
2.不過第一種方法有點麻煩(一張一張播放loop)
所以使用可以直接撥放gif檔的方法
程式碼：
import gifAnimation.*;
PImage [] imgKPgif;
Gif myKP;
//PImage img;
void setup()
{
size(400,400);
//img=loadImage("KP.gif");
myKP = new Gif(this,"KP.gif");
myKP.loop();//連續播放
}
void draw()
{
image(myKP,0,0);
}
3.點滑鼠才播放gif檔
程式碼：
import gifAnimation.*;
PImage [] imgKPgif;
Gif myKP;
//PImage img;
void setup()
{
size(400,400);
//img=loadImage("KP.gif");
myKP = new Gif(this,"KP.gif");
//myKP.loop();//loop拿掉
}
void draw()
{
image(myKP,0,0);
}
void mousePressed()
{
myKP.play();//按滑鼠播放
myKP.ignoreRepeat();//不要重複
}
4.按下鍵盤按鍵即可播放gif(ex:按鍵f,按鍵j)
程式碼：
import gifAnimation.*;
PImage [] imgKPgif;
Gif myKP,myKP2;
//PImage img;
void setup()
{
size(800,400);
//img=loadImage("KP.gif");
myKP = new Gif(this,"KP.gif");
myKP2 = new Gif(this,"KP.gif");
//myKP.loop();
}
void draw()
{
image(myKP,0,0);
image(myKP2,400,0);
}
void mousePressed()
{
if(mouseButton==LEFT) {myKP.play(); myKP.ignoreRepeat();}
if(mouseButton==RIGHT) {myKP2.play(); myKP2.ignoreRepeat();}
}
void keyPressed()
{
if(key=='f') {myKP.play(); myKP.ignoreRepeat();}//按下f鍵則播放
if(key=='j') {myKP2.play(); myKP2.ignoreRepeat();}//按下j鍵則播放
}
5.播放音檔範例
程式碼：
/**
* This sketch demonstrates how to play a file with Minim using an AudioPlayer. <br />
* It's also a good example of how to draw the waveform of the audio.
* <p>
* For more information about Minim and additional features,
* visit http://code.compartmental.net/minim/
*/
import ddf.minim.*;
Minim minim;
AudioPlayer player;
void setup()
{
size(512, 200, P3D);
// we pass this to Minim so that it can load files from the data directory
minim = new Minim(this);
// loadFile will look in all the same places as loadImage does.
// this means you can find files that are in the data folder and the
// sketch folder. you can also pass an absolute path, or a URL.
player = minim.loadFile("marcus_kellis_theme.mp3");
// play the file from start to finish.
// if you want to play the file again,
// you need to call rewind() first.
player.play();
}
void draw()
{
background(0);
stroke(255);
// draw the waveforms
// the values returned by left.get() and right.get() will be between -1 and 1,
// so we need to scale them up to see the waveform
// note that if the file is MONO, left.get() and right.get() will return the same value
for(int i = 0; i < player.bufferSize() - 1; i++)
{
float x1 = map( i, 0, player.bufferSize(), 0, width );
float x2 = map( i+1, 0, player.bufferSize(), 0, width );
line( x1, 50 + player.left.get(i)*50, x2, 50 + player.left.get(i+1)*50 );
line( x1, 150 + player.right.get(i)*50, x2, 150 + player.right.get(i+1)*50 );
}
}
7.輸出音檔
程式碼：
import ddf.minim.*;
import gifAnimation.*;
PImage [] imgKPgif;
Gif myKP,myKP2;
Minim minim;
AudioPlayer player;
//PImage img;
void setup()
{
size(800,400);
frameRate(100);
minim = new Minim(this);
player = minim.loadFile("Michael Calfan - Mercy (Original Mix).mp3");
player.play();
//img=loadImage("KP.gif");
myKP = new Gif(this,"KP.gif");
myKP2 = new Gif(this,"KP.gif");
//myKP.loop();
}
void draw()
{
image(myKP,0,0);
image(myKP2,400,0);
}
void mousePressed()
{
if(mouseButton==LEFT) {myKP.jump(0); myKP.play();}
if(mouseButton==RIGHT) {myKP2.jump(0); myKP2.play();}
}
/*void keyPressed()
{
if(key=='f') {myKP.play(); myKP.ignoreRepeat();}
if(key=='j') {myKP2.play(); myKP2.ignoreRepeat();}
}*/
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