Java Pacman张开/闭嘴动画
我想用最简单的方法制作pacman张开/闭嘴动画。 这是我最近的代码:问题是,什么都没有发生Java Pacman张开/闭嘴动画,java,swing,awt,java-2d,Java,Swing,Awt,Java 2d,我想用最简单的方法制作pacman张开/闭嘴动画。 这是我最近的代码:问题是,什么都没有发生 package ordner; import java.awt.Color; import java.awt.Graphics; import javax.swing.JFrame; import java.awt.event.ActionEvent; import java.awt.event.ActionListener; public class PacMan implements Ac
package ordner;
import java.awt.Color;
import java.awt.Graphics;
import javax.swing.JFrame;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
public class PacMan implements ActionListener {
private JFrame frame;
private DrawPanel panel;
private void initGui() {
frame = new JFrame("Pacman");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
panel = new DrawPanel();
frame.add(panel);
panel.setBackground(Color.BLACK);
frame.setSize(300, 300);
frame.setVisible(true);
}
public static void main(String[] args) {
PacMan pm = new PacMan();
pm.initGui();
}
@Override
public void actionPerformed(ActionEvent e) {
panel.repaint();
}
}
这是我的绘图面板:
import java.awt.Color;
import java.awt.Graphics;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class DrawPanel extends JPanel {
@Override
public void paintComponent(Graphics g) {
super.paintComponent(g);
g.setColor(Color.yellow);
g.fillArc(70,50,150,150,30,300);
int i = 0;
while ( i <= 60) {
g.fillArc(70,50,150,150,30-i,300+i+i);
try {
Thread.sleep(25);
}
catch (Exception e) {
Thread.currentThread().interrupt();
}
i++;
}
}
}
导入java.awt.Color;
导入java.awt.Graphics;
导入javax.swing.JFrame;
导入javax.swing.JPanel;
公共类DrawPanel扩展了JPanel{
@凌驾
公共组件(图形g){
超级组件(g);
g、 setColor(颜色为黄色);
g、 fillArc(70,50150,30300);
int i=0;
(i对于动画,您可以使用a移动Pacman图形,并通过改变fillArc
使用的参数来调整“嘴”打开的角度
可以使用实现与运动控制的KeyEvents
交互
此外,我将paint
功能移动到子类JComponent
中的paintComponent
方法,以获得更好的绘制性能
相关的:
编辑:
当您开始使用Java时,首先要完成许多任务
使用静态Pacman
图形创建基于JComponent
的类。将绘制逻辑移动到paintComponent
让Swing Timer功能正常工作。按照
实现键绑定
其他功能,如记分等
二维动画:
伪代码:
while programActive:
deltatime = get_time_since_last_call()
update_animation_frame(deltatime)
image = get_animation_frame()
draw_background()
draw(image)
enforce_framerate(24)
与Java相比,在Pygame中学习和做这类事情很容易,但不适合大型项目类似的东西可能适用于PacMan图像。它使用基于Java 2D的形状
实例来表示形状,并使用仿射变换
来生成不同的方向
import java.awt.*;
导入java.awt.event.*;
导入java.awt.geom.*;
导入java.awt.image.buffereImage;
导入javax.swing.*;
导入java.io.*;
导入javax.imageio.imageio;
PacManShape类{
私人双户型;
私人双重轮换;
最终int maxSize=4;
静态文件home=新文件(System.getProperty(“user.home”);
静态文件图像=新文件(主文件,“图像”);
PacManShape(整数大小,双旋转){
这个。大小=大小;
这个旋转=旋转;
}
公共区域getPacManShape(双颚){
面积=新面积(新椭圆2d.Double(0d,0d,size,size));
双x1=尺寸/2+(2d*尺寸*数学系数(jaws/2d));
双y1=尺寸/2+(2d*尺寸*数学sin(钳口/2d));
双x2=x1;
双y2=尺寸/2-(2d*尺寸*数学sin(钳口/2d));
多边形口=新多边形();
嘴。添加点((int)(大小/2),(int)(大小/2));
口.添加点((int)x1,(int)y1);
口。添加点((int)x2,(int)y2);
嘴。添加点((int)(大小/2),(int)(大小/2));
面积减去(新面积(口));
返回区;
}
公共缓冲区图像getPacManImage(双角度,彩色){
BuffereImage bi=新的BuffereImage(
(int)size,(int)size,buffereImage.TYPE_int_ARGB);
Graphics2D g2=bi.createGraphics();
g2.设置颜色(颜色);
g2.fillRect(0,0,(int)size,(int)size);
AffineTransform rotate=AffineTransform.getRotateInstance(
旋转,大小/2,大小/2);
g2.设置变换(旋转);
面积pacMan=getPacManShape(角度);
g2.setRenderingHint(
RenderingHists.KEY\u抗锯齿,
RenderingHints.VALUE_ANTIALIAS_ON);
g2.设置颜色(颜色为黄色);
float[]dist={.15f、.9f};
Color[]colors={Color.YELLOW,Color.ORANGE};
Point2D中心=新的Point2D.Double(大小/2,大小/2);
RadialGradientPaint radial=新的RadialGradientPaint(
中心,(浮动)(尺寸/2)-2f)、距离、颜色;
g2.设置油漆(径向);
g2.填充(pacMan);
GradientPaint gradient=新GradientPaint(
0,0,新颜色(255,255,225,220),
(int)(大小/3),0,新颜色(255,255,255,0);
g2.设置油漆(梯度);
g2.填充(pacMan);
g2.dispose();
返回bi;
}
public void savePacManImage(int q,int num)引发IOException{
双角度=数学PI*2/3d*((双)数值/(双)最大尺寸);
BuffereImage bi=getPacManImage(角度、颜色、白色);
images.mkdirs();
文件img=新文件(图像,“PacMan-”+q+“x”+num+“.gif”);
图像IO.write(bi,“gif”,img);
}
公共静态void main(字符串[]args){
试一试{
对于(int ii=0;ii<4;ii++){
PacManShape pms=新PacManShape(100,(双)ii*Math.PI/2d);
对于(int jj=0;jj 2*Math.PI/3){
chomp=正确;
}否则,如果(角度<0.01){
chomp=假;
}
if(chomp){
角度-=diff;
}否则{
角度+=差值;
}
PacManShape pms=新PacManShape(100,0d);
Image=pms.getPacManImage(角度,新颜色(0,0,0,0));
g2.drawImage(图像,0,0,this);
g2.dispose();
}
}
如果要在运行时变换和渲染图像,请尝试从这一系列使用部分透明度来软化边缘的PNG格式图像开始
有关如何使用动画(使用drawImage
创建图像)、游戏循环等的示例,请参见。也不要覆盖绘制(…)
而是使用JPanel
并覆盖paintComponent
我不确定您的项目的目的,但在游戏中,这种动画是通过一种称为Blitting的技术实现的。它基本上与图像文件(spritesheet)一起工作在这里,你有所有的动画序列,你使用一个系统来重新计算一段时间内图像的视口,创建动画。几乎所有的
import java.awt.*;
import java.awt.event.*;
import java.awt.geom.*;
import java.awt.image.BufferedImage;
import javax.swing.*;
import java.io.*;
import javax.imageio.ImageIO;
class PacManShape {
private double size;
private double rotation;
final int maxSize = 4;
static File home = new File(System.getProperty("user.home"));
static File images = new File(home, "images");
PacManShape(int size, double rotation) {
this.size = size;
this.rotation = rotation;
}
public Area getPacManShape(double jaws) {
Area area = new Area(new Ellipse2D.Double(0d, 0d, size, size));
double x1 = size / 2 + (2d * size * Math.cos(jaws / 2d));
double y1 = size / 2 + (2d * size * Math.sin(jaws / 2d));
double x2 = x1;
double y2 = size / 2 - (2d * size * Math.sin(jaws / 2d));
Polygon mouth = new Polygon();
mouth.addPoint((int) (size / 2), (int) (size / 2));
mouth.addPoint((int) x1, (int) y1);
mouth.addPoint((int) x2, (int) y2);
mouth.addPoint((int) (size / 2), (int) (size / 2));
area.subtract(new Area(mouth));
return area;
}
public BufferedImage getPacManImage(double angle, Color color) {
BufferedImage bi = new BufferedImage(
(int) size, (int) size, BufferedImage.TYPE_INT_ARGB);
Graphics2D g2 = bi.createGraphics();
g2.setColor(color);
g2.fillRect(0, 0, (int) size, (int) size);
AffineTransform rotate = AffineTransform.getRotateInstance(
rotation, size / 2, size / 2);
g2.setTransform(rotate);
Area pacMan = getPacManShape(angle);
g2.setRenderingHint(
RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON);
g2.setColor(Color.YELLOW);
float[] dist = {.15f, .9f};
Color[] colors = {Color.YELLOW, Color.ORANGE};
Point2D center = new Point2D.Double(size / 2, size / 2);
RadialGradientPaint radial = new RadialGradientPaint(
center, (float) ((size / 2) - 2f), dist, colors);
g2.setPaint(radial);
g2.fill(pacMan);
GradientPaint gradient = new GradientPaint(
0, 0, new Color(255, 255, 225, 220),
(int) (size / 3), 0, new Color(255, 255, 255, 0));
g2.setPaint(gradient);
g2.fill(pacMan);
g2.dispose();
return bi;
}
public void savePacManImage(int q, int num) throws IOException {
double angle = Math.PI*2 / 3d * ((double) num / (double) maxSize);
BufferedImage bi = getPacManImage(angle, Color.WHITE);
images.mkdirs();
File img = new File(images, "PacMan-" + q + "x" + num + ".gif");
ImageIO.write(bi, "gif", img);
}
public static void main(String[] args) {
try {
for (int ii = 0; ii < 4; ii++) {
PacManShape pms = new PacManShape(100, (double) ii * Math.PI / 2d);
for (int jj = 0; jj <= pms.maxSize; jj++) {
pms.savePacManImage(ii, jj);
}
}
Desktop.getDesktop().open(images);
} catch (IOException ex) {
ex.printStackTrace();
}
Runnable r = new Runnable() {
@Override
public void run() {
JPanel gui = new JPanel(new BorderLayout());
gui.add(new PacManComponent());
JOptionPane.showMessageDialog(null, gui);
}
};
// Swing GUIs should be created and updated on the EDT
// http://docs.oracle.com/javase/tutorial/uiswing/concurrency/initial.html
SwingUtilities.invokeLater(r);
}
}
class PacManComponent extends JPanel {
double angle = 0d;
int preferredSize = 100;
double diff = Math.PI / 8;
boolean chomp = true;
Timer timer;
PacManComponent() {
ActionListener listener = new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
repaint();
}
};
timer = new Timer(180, listener);
timer.start();
}
@Override
public Dimension getPreferredSize() {
return new Dimension(preferredSize, preferredSize);
}
@Override
public void paintComponent(Graphics g) {
super.paintComponent(g);
Graphics2D g2 = (Graphics2D) g.create();
//double size = (getWidth() < getHeight() ? getWidth() : getHeight());
if (angle > 2 * Math.PI / 3) {
chomp = true;
} else if (angle < 0.01) {
chomp = false;
}
if (chomp) {
angle -= diff;
} else {
angle += diff;
}
PacManShape pms = new PacManShape(100, 0d);
Image image = pms.getPacManImage(angle, new Color(0, 0, 0, 0));
g2.drawImage(image, 0, 0, this);
g2.dispose();
}
}