I dont's know what 'matrix' and 'clip' was saved and then restored
before and after rotating the Lander.
I just commented out the Canvas.save and Canvas.restore, rebuild and
re-install the LunarLander, it seemed to work as before.
Would anybody help me to understand why using Canvas.save and
Canvas.restore here:
// Draw the ship with its current rotation
// canvas.save();
canvas.rotate((float) mHeading, (float) mX, mCanvasHeight
- (float) mY);
if (mMode == STATE_LOSE) {
mCrashedImage.setBounds(xLeft, yTop, xLeft +
mLanderWidth, yTop
+ mLanderHeight);
mCrashedImage.draw(canvas);
} else if (mEngineFiring) {
mFiringImage.setBounds(xLeft, yTop, xLeft +
mLanderWidth, yTop
+ mLanderHeight);
mFiringImage.draw(canvas);
} else {
mLanderImage.setBounds(xLeft, yTop, xLeft +
mLanderWidth, yTop
+ mLanderHeight);
mLanderImage.draw(canvas);
}
// canvas.restore();
Thanks in advance.
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