boolean touches(Block b, int x, int y) {
DrawFBP.Side side = null;
if (driver.nearpln(
x, y, b.cx - b.width / 2, b.cy - b.height / 2, b.cx - b.width / 2, b.cy + b.height / 2)) {
side = Side.LEFT;
}
if (driver.nearpln(
x, y, b.cx - b.width / 2, b.cy - b.height / 2, b.cx + b.width / 2, b.cy - b.height / 2)) {
side = Side.TOP;
}
if (driver.nearpln(
x, y, b.cx + b.width / 2, b.cy - b.height / 2, b.cx + b.width / 2, b.cy + b.height / 2)) {
side = Side.RIGHT;
}
if (driver.nearpln(
x, y, b.cx - b.width / 2, b.cy + b.height / 2, b.cx + b.width / 2, b.cy + b.height / 2)) {
side = Side.BOTTOM;
}
if (side != null) {
if (tailMarked) fromSide = side;
if (headMarked) toSide = side;
return true;
}
return false;
}
void createBend(int bendx, int bendy) {
Bend bn = null;
int index = 0;
if (bends == null) {
if (driver.nearpln(bendx, bendy, fromX, fromY, toX, toY)) {
bends = new LinkedList<Bend>();
bn = new Bend(bendx, bendy);
if (fromX == toX) // if line vertical
bn.x = fromX;
if (fromY == toY) // if line horizontal
bn.y = fromY;
bends.add(bn);
bn.marked = true;
driver.bendForDragging = bn;
return;
}
} else {
int x = fromX;
int y = fromY;
Object[] oa = bends.toArray();
for (Object o : oa) {
Bend b = (Bend) o;
if (sameBend(bendx, bendy, b)) {
bn = b;
bn.marked = true;
driver.bendForDragging = bn;
return;
}
if (driver.nearpln(bendx, bendy, x, y, b.x, b.y)) {
bn = new Bend(bendx, bendy);
if (x == b.x) // if line vertical
bn.x = x;
if (y == b.y) // if line horizontal
bn.y = y;
bends.add(index, bn);
bn.marked = true;
driver.bendForDragging = bn;
return;
}
x = b.x;
y = b.y;
index++;
}
if (driver.nearpln(bendx, bendy, x, y, toX, toY)) {
bn = new Bend(bendx, bendy);
if (x == toX) // if line vertical
bn.x = x;
if (y == toY) // if line horizontal
bn.y = y;
bends.add(bn);
bn.marked = true;
driver.bendForDragging = bn;
}
}
}