Android Open Source - Marble-Run Ramp

From Project

Back to project page Marble-Run.

License

The source code is released under:

Apache License

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Java Source Code

package nttu.edu.entity;
//from  w  w  w.j a va2  s. co m
import nttu.edu.ball.Ball;
import nttu.edu.graphics.Art;
import nttu.edu.graphics.RenderView;
import android.graphics.Bitmap;

public class Ramp extends Funnel {
  
  public Ramp(float ratio) {
    super(ratio);
  }
  
  @Override
  public boolean checkCollision(Ball b) {
    if (b.position[0] > dstRect.left && b.position[0] < dstRect.right && b.position[1] > dstRect.top && b.position[1] < dstRect.bottom) {
      b.setRamp(this);
      return true;
    }
    else if (b.getRamp() != null && b.getRamp() == this) {
      b.setRamp(null);
      b.funnelDetector = false;
      b.funnelFlag1 = false;
      b.funnelFlag2 = false;
    }
    return false;
  }
  
  @Override
  public void place() {
    dstRect.set(position[0] - radius, position[1] - radius, position[0] + radius, position[1] + radius);
    float size = 10 * PIPE_SIZE * RenderView.AspectRatio;
    switch (direction) {
      case LEFT:
      default:
        //Point 1 (Top left)
        x1 = dstRect.left + size;
        y1 = dstRect.top;
        //Point 2 (Bottom left)
        x2 = dstRect.left + size;
        y2 = dstRect.bottom;
        break;
      case RIGHT:
        x1 = dstRect.right - size;
        y1 = dstRect.top;
        x2 = dstRect.right - size;
        y2 = dstRect.bottom;
        break;
      case UP:
        x1 = dstRect.left;
        y1 = dstRect.top + size;
        x2 = dstRect.right;
        y2 = dstRect.top + size;
        break;
      case DOWN:
        x1 = dstRect.left;
        y1 = dstRect.bottom - size;
        x2 = dstRect.right;
        y2 = dstRect.bottom - size;
        break;
    }
  }
  
  @Override
  public void setDirection(Direction d) {
    direction = d;
    switch (d) {
      case LEFT:
      default:
        matrix.reset();
        break;
      case RIGHT:
        matrix.reset();
        matrix.setScale(-1, 1);
        matrix.postRotate(0);
        matrix.postTranslate(-8, 0);
        break;
      case UP:
        matrix.reset();
        matrix.setScale(1, 1);
        matrix.postRotate(90);
        matrix.postTranslate(-8, 0);
        break;
      case DOWN:
        matrix.reset();
        matrix.setScale(1, 1);
        matrix.postRotate(-90);
        matrix.postTranslate(0, -8);
        break;
    }
    bitmap = Bitmap.createBitmap(Art.sprites, 48, 0, 8, 8, matrix, false);
    srcRect.set(0, 0, 8, 8);
  }
}

Java Source Code List