public void simulateBall() {
ballPreviousX = ballX;
ballPreviousY = ballY;
leftEdgeActive = rightEdgeActive = topEdgeActive = bottomEdgeActive = true;
if (ballY >= MaxY) {
ballStarted = false;
}
if (!ballStarted) {
ballX = padx - ballDiameter / 2;
ballY = padTop - ballDiameter;
} else {
ballX = ballX + (int) (Math.cos((angle * pi) / 180.0) * unit);
ballY = ballY - (int) (Math.sin((angle * pi) / 180.0) * unit); // Y increases downward
if (Math.sin((angle * pi) / 180.0) * unit >= 0) {
top = true;
} else top = false;
if (Math.cos((angle * pi) / 180.0) * unit >= 0) {
right = true;
} else right = false;
if (right) leftEdgeActive = false;
else rightEdgeActive = false;
if (top) bottomEdgeActive = false;
else topEdgeActive = false;
Pair temp;
if (leftEdgeActive) {
int xBlockLeft = ((ballX - blockStartX) / blockLength) * blockLength;
int yBlockLeft = ((ballY - blockStartY + ballDiameter / 2) / blockHeight) * blockHeight;
// Left Boundary Edge
temp = new Pair(xBlockLeft, yBlockLeft);
if ((blockMap.containsKey(temp.toString())
&& (ballX >= blockStartX)
&& (ballY >= blockStartY))
|| ballX <= 0) {
if (immutableBlocks.containsKey(temp.toString()) == false) {
/* if(fireBlocks.containsKey(temp.toString())){
fireEnabled = true;
}
*/
angle = 180.0 - angle;
blockMap.remove(temp.toString());
repaintBlocks = true;
count = numRepaints;
repaint();
return;
} else {
// angle = 180.0 - angle;
blockMap.put(temp.toString(), Color.RED);
repaintBlocks = true;
count = numRepaints;
repaint();
return;
}
}
}
if (rightEdgeActive) {
int xBlockRight = ((ballX - blockStartX + ballDiameter) / blockLength) * blockLength;
int yBlockRight = ((ballY - blockStartY + ballDiameter / 2) / blockHeight) * blockHeight;
// Right Boundary Edge
temp = new Pair(xBlockRight, yBlockRight);
if ((blockMap.containsKey(temp.toString())
&& (ballX - blockStartX + ballDiameter > 0)
&& (ballY - blockStartY + ballDiameter / 2) >= 0)
|| (ballX + ballDiameter) >= MaxX) {
// System.out.println("Right edge");
if (immutableBlocks.containsKey(temp.toString()) == false) {
/* if(fireBlocks.containsKey(temp.toString())){
fireEnabled = true;
}*/
angle = 180.0 - angle;
blockMap.remove(temp.toString());
repaintBlocks = true;
count = numRepaints;
repaint();
return;
} else {
// angle = 180.0 - angle;
blockMap.put(temp.toString(), Color.RED);
repaintBlocks = true;
count = numRepaints;
repaint();
return;
}
}
}
if (topEdgeActive) {
int xBlockTop = ((ballX - blockStartX + ballDiameter / 2) / blockLength) * blockLength;
int yBlockTop = ((ballY - blockStartY) / blockHeight) * blockHeight;
// top Boundary Edge
temp = new Pair(xBlockTop, yBlockTop);
if ((blockMap.containsKey(temp.toString())
&& (ballX >= blockStartX)
&& (ballY >= blockStartY))
|| (ballY - ballDiameter) <= 0) {
if (immutableBlocks.containsKey(temp.toString()) == false) {
/*if(fireBlocks.containsKey(temp.toString())){
fireEnabled = true;
}*/
angle = 360.0 - angle;
blockMap.remove(temp.toString());
repaintBlocks = true;
count = numRepaints;
repaint();
// System.out.println("temp " + temp.toString());
return;
} else {
// angle = 360.0 - angle;
blockMap.put(temp.toString(), Color.RED);
repaintBlocks = true;
count = numRepaints;
repaint();
return;
}
}
}
if (bottomEdgeActive) {
int xBlockBottom = ((ballX - blockStartX + ballDiameter / 2) / blockLength) * blockLength;
int yBlockBottom = ((ballY - blockStartY + ballDiameter) / blockHeight) * blockHeight;
// top Boundary Edge
temp = new Pair(xBlockBottom, yBlockBottom);
if ((blockMap.containsKey(temp.toString())
&& (ballX - blockStartX + ballDiameter / 2 >= 0)
&& (ballY - blockStartY + ballDiameter >= 0))
|| (((((ballY + ballDiameter) >= padTop && (ballY + ballDiameter) <= padBottom))
|| (ballY >= padTop && ballY <= padBottom))
&& (ballX) >= (padx - padLength / 2)
&& ballX <= (padx + padLength / 2))) {
if (immutableBlocks.containsKey(temp.toString()) == false) {
/*if(fireBlocks.containsKey(temp.toString())){
fireEnabled = true;
}*/
angle = 360.0 - angle;
blockMap.remove(temp.toString());
repaintBlocks = true;
count = numRepaints;
repaint();
return;
} else {
// angle = 360.0 - angle;
blockMap.put(temp.toString(), Color.RED);
repaintBlocks = true;
count = numRepaints;
repaint();
return;
}
}
}
}
}
