public boolean wallCollision(Bullet bullet) {
Rectangle boundingBox = bullet.getBoundingBox();
int tile;
int tileWidth = tileMap.getTileWidth();
int tileHeight = tileMap.getTileHeight();
/*
* nested four loop only is grabbing the 4 corners of the
* bullet's hit box and checking the type of tiles that they
* contact. The current bullets range from 8x8 to 17x17, so they
* all can contact the same range of tiles at any given time:
* 1-4 A bullet expires on contact with a solid object(besides
* ring bullets)
*/
for (int y = bullet.yPos;
y <= bullet.yPos + boundingBox.getHeight();
y += boundingBox.getHeight()) {
for (int x = bullet.xPos;
x <= bullet.xPos + boundingBox.getWidth();
x += boundingBox.getWidth()) {
int tileCoordX = (int) (x + distanceScrolled) / tileWidth;
int tileCoordY = y / tileHeight;
tile = tileMap.getTile(((tileCoordY) * tileMap.getTileMapWidth()) + (tileCoordX));
if (tile < 17 || 23 < tile) {
return true;
}
}
}
return false;
}
/** @param canvas */
private void drawTiles(Canvas canvas) {
mPaint.setShadowLayer(0, 0, 0, 0);
if (null != mTiles) {
for (int tilen = 0; tilen < mTiles.getTilesNum(); tilen++) {
BitmapHolder tile = mTiles.getTile(tilen);
/*
* Scale, then move under the plane which is at center
*/
boolean nochart = false;
if (null == tile) {
nochart = true;
} else if (null == tile.getBitmap()) {
nochart = true;
}
if (nochart) {
continue;
}
/*
* Pretty straightforward. Pan and draw individual tiles.
*/
tile.getTransform().setScale(mScale.getScaleFactor(), mScale.getScaleCorrected());
tile.getTransform()
.postTranslate(
getWidth() / 2.f
- BitmapHolder.WIDTH / 2.f * mScale.getScaleFactor()
+ ((tilen % mTiles.getXTilesNum()) * BitmapHolder.WIDTH
- BitmapHolder.WIDTH * (int) (mTiles.getXTilesNum() / 2))
* mScale.getScaleFactor()
+ mPan.getMoveX() * mScale.getScaleFactor()
+ mPan.getTileMoveX() * BitmapHolder.WIDTH * mScale.getScaleFactor()
- (float) mMovement.getOffsetLongitude() * mScale.getScaleFactor(),
getHeight() / 2.f
- BitmapHolder.HEIGHT / 2.f * mScale.getScaleCorrected()
+ mPan.getMoveY() * mScale.getScaleCorrected()
+ ((tilen / mTiles.getXTilesNum()) * BitmapHolder.HEIGHT
- BitmapHolder.HEIGHT * (int) (mTiles.getYTilesNum() / 2))
* mScale.getScaleCorrected()
+ mPan.getTileMoveY() * BitmapHolder.HEIGHT * mScale.getScaleCorrected()
- (float) mMovement.getOffsetLatitude() * mScale.getScaleCorrected());
Bitmap b = tile.getBitmap();
if (null != b) {
canvas.drawBitmap(b, tile.getTransform(), mPaint);
}
}
}
}