?? inputhandler.java
字號(hào):
package demos.nehe.lesson09;
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 glDisplay) {
this.renderer = renderer;
glDisplay.registerKeyStrokeForHelp(KeyStroke.getKeyStroke(KeyEvent.VK_T, 0), "Toggle twinkle");
glDisplay.registerKeyStrokeForHelp(KeyStroke.getKeyStroke(KeyEvent.VK_UP, 0), "Decrease tilt");
glDisplay.registerKeyStrokeForHelp(KeyStroke.getKeyStroke(KeyEvent.VK_DOWN, 0), "Increase tilt");
glDisplay.registerKeyStrokeForHelp(KeyStroke.getKeyStroke(KeyEvent.VK_PAGE_UP, 0), "Zoom out");
glDisplay.registerKeyStrokeForHelp(KeyStroke.getKeyStroke(KeyEvent.VK_PAGE_DOWN, 0), "Zoom in");
}
public void keyPressed(KeyEvent e) {
processKeyEvent(e, true);
}
public void keyReleased(KeyEvent e) {
switch (e.getKeyCode()) {
case KeyEvent.VK_T:
renderer.toggleTwinkle();
break;
default:
processKeyEvent(e, false);
}
}
private void processKeyEvent(KeyEvent e, boolean pressed) {
switch (e.getKeyCode()) {
case KeyEvent.VK_UP:
renderer.decreaseTilt(pressed);
break;
case KeyEvent.VK_DOWN:
renderer.increaseTilt(pressed);
break;
case KeyEvent.VK_PAGE_UP:
renderer.zoomIn(pressed);
break;
case KeyEvent.VK_PAGE_DOWN:
renderer.zoomOut(pressed);
break;
}
}
}
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