?? inputhandler.java
字號:
package demos.nehe.lesson19;
import demos.common.GLDisplay;
import javax.swing.*;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;
class InputHandler extends KeyAdapter {
private Renderer renderer;
public InputHandler(Renderer renderer, GLDisplay display) {
this.renderer = renderer;
display.registerKeyStrokeForHelp(KeyStroke.getKeyStroke(KeyEvent.VK_T, 0), "Burst");
display.registerKeyStrokeForHelp(KeyStroke.getKeyStroke(KeyEvent.VK_ENTER, 0), "Toggle color cycling");
display.registerKeyStrokeForHelp(KeyStroke.getKeyStroke(KeyEvent.VK_SPACE, 0), "Cycle color manually");
display.registerKeyStrokeForHelp(KeyStroke.getKeyStroke(KeyEvent.VK_ADD, 0), "Speed up");
display.registerKeyStrokeForHelp(KeyStroke.getKeyStroke(KeyEvent.VK_SUBTRACT, 0), "Slow down");
display.registerKeyStrokeForHelp(KeyStroke.getKeyStroke(KeyEvent.VK_NUMPAD8, 0), "Increase pull upwards");
display.registerKeyStrokeForHelp(KeyStroke.getKeyStroke(KeyEvent.VK_NUMPAD2, 0), "Increase pull downwards");
display.registerKeyStrokeForHelp(KeyStroke.getKeyStroke(KeyEvent.VK_NUMPAD6, 0), "Increase pull right");
display.registerKeyStrokeForHelp(KeyStroke.getKeyStroke(KeyEvent.VK_NUMPAD4, 0), "Increase pull left");
display.registerKeyStrokeForHelp(KeyStroke.getKeyStroke(KeyEvent.VK_UP, 0), "Increase X particle launch speed");
display.registerKeyStrokeForHelp(KeyStroke.getKeyStroke(KeyEvent.VK_DOWN, 0), "Decrease X particle launch speed");
display.registerKeyStrokeForHelp(KeyStroke.getKeyStroke(KeyEvent.VK_LEFT, 0), "Increase Y particle launch speed");
display.registerKeyStrokeForHelp(KeyStroke.getKeyStroke(KeyEvent.VK_RIGHT, 0), "Decrease Y particle launch speed");
display.registerKeyStrokeForHelp(KeyStroke.getKeyStroke(KeyEvent.VK_PAGE_UP, 0), "Increase particle grow speed");
display.registerKeyStrokeForHelp(KeyStroke.getKeyStroke(KeyEvent.VK_PAGE_DOWN, 0), "Decrease particle grow speed");
}
public void keyPressed(KeyEvent e) {
processKeyEvent(e, true);
}
public void keyReleased(KeyEvent e) {
switch (e.getKeyCode()) {
case KeyEvent.VK_T:
renderer.createBurst();
break;
case KeyEvent.VK_ENTER:
renderer.toggleRainbowEffect();
break;
case KeyEvent.VK_SPACE:
renderer.cycleColor();
break;
default:
processKeyEvent(e, false);
}
}
private void processKeyEvent(KeyEvent e, boolean pressed) {
switch (e.getKeyCode()) {
case KeyEvent.VK_ADD:
renderer.speedUp(pressed);
break;
case KeyEvent.VK_SUBTRACT:
renderer.slowDown(pressed);
break;
case KeyEvent.VK_NUMPAD8:
renderer.increasePullUpwards(pressed);
break;
case KeyEvent.VK_NUMPAD2:
renderer.increasePullDownwards(pressed);
break;
case KeyEvent.VK_NUMPAD4:
renderer.increasePullLeft(pressed);
break;
case KeyEvent.VK_NUMPAD6:
renderer.increasePullRight(pressed);
break;
case KeyEvent.VK_UP:
renderer.increaseYSpeed(pressed);
break;
case KeyEvent.VK_DOWN:
renderer.decreaseYSpeed(pressed);
break;
case KeyEvent.VK_LEFT:
renderer.decreaseXSpeed(pressed);
break;
case KeyEvent.VK_RIGHT:
renderer.increaseXSpeed(pressed);
break;
case KeyEvent.VK_PAGE_UP:
renderer.increaseParticleGrowSpeed(pressed);
break;
case KeyEvent.VK_PAGE_DOWN:
renderer.decreaseParticleGrowSpeed(pressed);
break;
}
}
}
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