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Urban Modig
2025-06-24 21:39:10 +02:00
parent 30ab25f5cb
commit aa21a21fcc
11 changed files with 137 additions and 132 deletions
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src/main/java/se/urmo/my2dgame/util/CollisionChecker.java Normal file
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package se.urmo.my2dgame.util;
import se.urmo.my2dgame.entity.Entity;
import se.urmo.my2dgame.main.Screen;
import se.urmo.my2dgame.tile.World;
public class CollisionChecker {
private final World world;
public CollisionChecker(World world) {
this.world = world;
}
public boolean checkTile(Entity entity) {
int entityLeftCol = entity.boxLeft() / Screen.TILE_SIZE;
int entityRightCol = entity.boxRight() / Screen.TILE_SIZE;
int entityTopRow = entity.boxTop() / Screen.TILE_SIZE;
int entityBottomRow = entity.boxBottom() / Screen.TILE_SIZE;
switch (entity.direction){
case N -> {
entityTopRow = (entity.boxTop() - entity.speed)/ Screen.TILE_SIZE;
return isNonePassable(entityTopRow, entityLeftCol, entityTopRow, entityRightCol);
}
case S -> {
entityBottomRow = (entity.boxBottom() + entity.speed)/ Screen.TILE_SIZE;
return isNonePassable(entityBottomRow,entityLeftCol,entityBottomRow,entityRightCol);
}
case W -> {
entityLeftCol = (entity.boxLeft() - entity.speed)/ Screen.TILE_SIZE;
return isNonePassable(entityTopRow, entityLeftCol, entityBottomRow, entityLeftCol);
}
case E -> {
entityRightCol = (entity.boxRight() + entity.speed)/ Screen.TILE_SIZE;
return isNonePassable(entityTopRow, entityRightCol, entityBottomRow, entityRightCol);
}
case NE -> {
entityTopRow = (entity.boxTop() - entity.speed)/ Screen.TILE_SIZE;
entityRightCol = (entity.boxRight() + entity.speed)/ Screen.TILE_SIZE;
entityLeftCol = (entity.boxLeft() + entity.speed)/ Screen.TILE_SIZE;
entityBottomRow = (entity.boxBottom() - entity.speed)/ Screen.TILE_SIZE;
return isNonePassable(entityTopRow, entityLeftCol, entityBottomRow, entityRightCol);
}
case NW -> {
entityTopRow = (entity.boxTop() - entity.speed)/ Screen.TILE_SIZE;
entityRightCol = (entity.boxRight() - entity.speed)/ Screen.TILE_SIZE;
entityLeftCol = (entity.boxLeft() - entity.speed)/ Screen.TILE_SIZE;
entityBottomRow = (entity.boxBottom() - entity.speed)/ Screen.TILE_SIZE;
return isNonePassable(entityBottomRow, entityLeftCol, entityTopRow, entityRightCol);
}
case SW -> {
entityTopRow = (entity.boxTop() + entity.speed)/ Screen.TILE_SIZE;
entityRightCol = (entity.boxRight() - entity.speed)/ Screen.TILE_SIZE;
entityLeftCol = (entity.boxLeft() - entity.speed)/ Screen.TILE_SIZE;
entityBottomRow = (entity.boxBottom() + entity.speed)/ Screen.TILE_SIZE;
return isNonePassable(entityTopRow, entityLeftCol, entityBottomRow, entityRightCol);
}
case SE -> {
entityTopRow = (entity.boxTop() + entity.speed)/ Screen.TILE_SIZE;
entityRightCol = (entity.boxRight() + entity.speed)/ Screen.TILE_SIZE;
entityLeftCol = (entity.boxLeft() + entity.speed)/ Screen.TILE_SIZE;
entityBottomRow = (entity.boxBottom() + entity.speed)/ Screen.TILE_SIZE;
return isNonePassable(entityBottomRow, entityLeftCol, entityTopRow, entityRightCol);
}
}
return false;
}
private boolean isNonePassable(int row1, int col1, int row2, int col2) {
int tileNum2 = world.mapTileNum[row1][col1];
int tileNum1 = world.mapTileNum[row2][col2];
return world.tiles[tileNum1].isCollision() || world.tiles[tileNum2].isCollision();
}
}