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Object collisions

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This commit is contained in:
orcook 2018-03-08 13:42:00 -06:00
parent 3f41f8b712
commit b3af00475d
1 changed files with 48 additions and 12 deletions
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60
game-service/src/main/java/org/libertybikes/game/core/MovingObstacle.java
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@ -9,6 +9,13 @@ package org.libertybikes.game.core;
*/
public class MovingObstacle extends Obstacle {
private static enum DIRECTION {
UP,
DOWN,
LEFT,
RIGHT
}
public int xDir, yDir, oldX, oldY, moveDelay, currentDelay = 0;
public boolean hasMoved = false;
@ -42,16 +49,16 @@ public class MovingObstacle extends Obstacle {
if (xDir != 0) {
if (xDir > 0) {
if (x + width + 1 < GameBoard.BOARD_SIZE) {
if (x + width + 1 < GameBoard.BOARD_SIZE && !hasCollision(board, DIRECTION.RIGHT)) {
moveRight(board);
} else {
} else if (!hasCollision(board, DIRECTION.LEFT)) {
moveLeft(board);
xDir = xDir * -1;
}
} else {
if (x - 1 >= 0) {
if (x - 1 >= 0 && !hasCollision(board, DIRECTION.LEFT)) {
moveLeft(board);
} else {
} else if (!hasCollision(board, DIRECTION.RIGHT)) {
moveRight(board);
xDir = xDir * -1;
}
@ -60,16 +67,16 @@ public class MovingObstacle extends Obstacle {
if (yDir != 0) {
if (yDir > 0) {
if (y + height + 1 < GameBoard.BOARD_SIZE) {
if (y + height + 1 < GameBoard.BOARD_SIZE && !hasCollision(board, DIRECTION.DOWN)) {
moveDown(board);
} else {
} else if (!hasCollision(board, DIRECTION.UP)) {
moveUp(board);
yDir = yDir * -1;
}
} else {
if (y - 1 >= 0) {
if (y - 1 >= 0 && !hasCollision(board, DIRECTION.UP)) {
moveUp(board);
} else {
} else if (!hasCollision(board, DIRECTION.DOWN)) {
moveDown(board);
yDir = yDir * -1;
}
@ -77,7 +84,7 @@ public class MovingObstacle extends Obstacle {
}
}
public void moveRight(short[][] board) {
private void moveRight(short[][] board) {
for (int i = 0; i <= height; i++) {
board[x][y + i] = GameBoard.SPOT_AVAILABLE;
board[x + width + 1][y + i] = GameBoard.OBJECT_SPOT_TAKEN;
@ -85,7 +92,7 @@ public class MovingObstacle extends Obstacle {
x++;
}
public void moveLeft(short[][] board) {
private void moveLeft(short[][] board) {
for (int i = 0; i <= height; i++) {
board[x - 1][y + i] = GameBoard.OBJECT_SPOT_TAKEN;
board[x + width][y + i] = GameBoard.SPOT_AVAILABLE;
@ -93,7 +100,7 @@ public class MovingObstacle extends Obstacle {
x--;
}
public void moveUp(short[][] board) {
private void moveUp(short[][] board) {
for (int i = 0; i <= width; i++) {
board[x + i][y - 1] = GameBoard.OBJECT_SPOT_TAKEN;
board[x + i][y + height] = GameBoard.SPOT_AVAILABLE;
@ -101,7 +108,7 @@ public class MovingObstacle extends Obstacle {
y--;
}
public void moveDown(short[][] board) {
private void moveDown(short[][] board) {
for (int i = 0; i <= width; i++) {
board[x + i][y] = GameBoard.SPOT_AVAILABLE;
board[x + i][y + height + 1] = GameBoard.OBJECT_SPOT_TAKEN;
@ -109,4 +116,33 @@ public class MovingObstacle extends Obstacle {
y++;
}
private boolean hasCollision(short[][] board, DIRECTION dir) {
switch (dir) {
case UP:
for (int i = 0; i <= width; i++) {
if (board[x + i][y - 1] == GameBoard.OBJECT_SPOT_TAKEN)
return true;
}
return false;
case DOWN:
for (int i = 0; i <= width; i++) {
if (board[x + i][y + height + 1] == GameBoard.OBJECT_SPOT_TAKEN)
return true;
}
return false;
case LEFT:
for (int i = 0; i <= height; i++) {
if (board[x - 1][y + i] == GameBoard.OBJECT_SPOT_TAKEN)
return true;
}
return false;
default:
for (int i = 0; i <= height; i++) {
if (board[x + width + 1][y + i] == GameBoard.OBJECT_SPOT_TAKEN)
return true;
}
return false;
}
}
}