Java GridPoint2类代码示例

import com.badlogic.gdx.math.GridPoint2; //导入依赖的package包/类
protected Tile laserTarget(Tile tile, int rotation){
	rotation = Mathf.mod(rotation, 4);
	GridPoint2 point = Geometry.getD4Points()[rotation];

	int i = 0;

	for(i = 1; i < laserRange; i++){
		Tile other = Vars.world.tile(tile.x + i * point.x, tile.y + i * point.y);

		if(other != null && other.block() instanceof PowerAcceptor){
			Tile linked = other.getLinked();
			if(linked == null || linked instanceof PowerAcceptor){
				return other;
			}
		}
	}
	return null;
}
 

import com.badlogic.gdx.math.GridPoint2; //导入依赖的package包/类
private boolean isFreeTetriminoPosition(GridPoint2 position, int direction) {
	boolean turn = true;
	for(GridPoint2 p : currentTetrimino.position[direction]) {
		if(p.x + position.x >= 0 && p.x + position.x < PLAYFIELD_WIDTH && p.y + position.y >= 0 && p.y + position.y < PLAYFIELD_HEIGHT) {
			Color color = cells[p.x + position.x][p.y + position.y];
			if(color != null) {
				turn = false;
				break;
			}
		}
		else {
			turn = false;
			break;
		}
	}

	return turn;
}
 

import com.badlogic.gdx.math.GridPoint2; //导入依赖的package包/类
boolean checkDpadDown(int keyCode){
    GridPoint2 position = player.getPosition();
    if(keyCode == Input.Keys.W || keyCode == Input.Keys.UP){
        position.y++;
    }
    else if(keyCode == Input.Keys.S || keyCode == Input.Keys.DOWN){
        position.y--;
    }
    else if(keyCode == Input.Keys.D || keyCode == Input.Keys.RIGHT){
        position.x++;
    }
    else if(keyCode == Input.Keys.A || keyCode == Input.Keys.LEFT){
        position.x--;
    }
    if (position.equals(player.getPosition())){
        return false;
    } else {
        player.moveTo(position);
        return true;
    }
}
 

import com.badlogic.gdx.math.GridPoint2; //导入依赖的package包/类
private static GridPoint2 getNextPointTowardsEndPoint(GridPoint2 startPoint, GridPoint2 endPoint){
    int x = startPoint.x;
    int y = startPoint.y;

    if (startPoint.x < endPoint.x){
        x++;
    } else if(startPoint.x > endPoint.x){
        x--;
    }
    if (startPoint.y < endPoint.y){
        y++;
    } else if(startPoint.y > endPoint.y){
        y--;
    }

    return new GridPoint2(x, y);
}
 

import com.badlogic.gdx.math.GridPoint2; //导入依赖的package包/类
void placeBoundingWalls(Dungeon dungeon, int x, int y, int width, int height){
    for(int i = x+1; i < x + width-1; i++){
        for(int j = y+1; j < y + height-1; j++) {
            dungeon.setTile(new FloorDungeonTile(new GridPoint2(i, j), dungeon));
        }
    }

    for (int j = x; j < width+x; j++) {
        dungeon.setTile(new WallDungeonTile(new GridPoint2(j, y), dungeon, false));
        dungeon.setTile(new WallDungeonTile(new GridPoint2(j, height + y - 1), dungeon, false));
    }

    for (int i = y; i < height+y; i++) {
        dungeon.setTile(new WallDungeonTile(new GridPoint2(x, i), dungeon, false));
        dungeon.setTile(new WallDungeonTile(new GridPoint2(x + width - 1, i), dungeon, false));
    }
}
 

import com.badlogic.gdx.math.GridPoint2; //导入依赖的package包/类
public Dungeon(int mapWidth, int mapHeight){
    this.mapWidth = mapWidth;
    this.mapHeight = mapHeight;

    renderer = new DungeonRenderer(this);

    map = new DungeonTile[mapWidth+2][mapHeight+2];
    for(int i = 0; i < mapWidth+2; i++){
        for (int j = 0; j < mapHeight+2; j++){
            map[i][j] = new EmptyDungeonTile(new GridPoint2(i-1, j-1), this);
        }
    }

    dungeonRooms = new Array<>();
    monsters = new Array<>();

    level = 1;
}
 

import com.badlogic.gdx.math.GridPoint2; //导入依赖的package包/类
Array<Array<AstarNode>> getAstarGraph(){
    Array<Array<AstarNode>> astarGraph = new Array<>();
    for(int i = 0; i < getMapWidth(); i++){
        astarGraph.add(new Array<>());
    }
    for (int i = 0; i < getMapWidth(); i++){
        for(int  j = 0; j < getMapHeight(); j++){
            AstarNode node = new AstarNode();
            node.passingCost = getDungeonTile(new GridPoint2(i, j)).getPassingCost();
            node.x = i;
            node.y = j;
            astarGraph.get(i).add(node);
        }
    }
    return astarGraph;
}
 

import com.badlogic.gdx.math.GridPoint2; //导入依赖的package包/类
private void placeStartAndEndStairs(Dungeon dungeon) {
    GridPoint2 stairsUpPos;
    GridPoint2 stairsDownPos;

    Room startRoom = dungeon.startRoom;
    Room endRoom = DungeonUtils.getRandomNotStartDungeonRoom(dungeon);

    stairsUpPos = startRoom.getRandomFloorTile();
    stairsDownPos = endRoom.getRandomFloorTile();

    StairsUpDungeonTile stairsUpDungeonTile = new StairsUpDungeonTile(stairsUpPos, dungeon);
    StairsDownDungeonTile stairsDownDungeonTile = new StairsDownDungeonTile(stairsDownPos, dungeon);

    dungeon.setTile(stairsUpDungeonTile);
    dungeon.setTile(stairsDownDungeonTile);

    dungeon.stairsDownDungeonTile = stairsDownDungeonTile;
    dungeon.stairsUpDungeonTile = stairsUpDungeonTile;
}
 

import com.badlogic.gdx.math.GridPoint2; //导入依赖的package包/类
private Array<Array<AstarNode>> getDungeonAsAstarNodeGraph(Dungeon dungeon) {
    Array<Array<AstarNode>> graph = new Array<>();
    for(int i = 0; i < dungeon.getMapWidth(); i++){
        graph.add(new Array<>());
    }
    for (int i = 0; i < dungeon.getMapWidth(); i++){
        for(int  j = 0; j < dungeon.getMapHeight(); j++){
            AstarNode node = new AstarNode();
            node.passingCost = dungeon.getDungeonTile(new GridPoint2(i, j)).getCorridorPlacingCost();
            node.x = i;
            node.y = j;
            graph.get(i).add(node);
        }
    }
    return graph;
}
 

import com.badlogic.gdx.math.GridPoint2; //导入依赖的package包/类
private void addCorridorTile(Dungeon dungeon, GridPoint2 pos, Direction direction){
    DungeonTile tile = dungeon.getDungeonTile(pos);
    // Set wall tiles this corridor passes through to doors
    if(tile instanceof WallDungeonTile){
        if (direction == Direction.VERTICAL ){
            // Place a perpendicular door across the corridor
            dungeon.setTile(new DoorDungeonTile(pos, dungeon, true));
        } else {
            dungeon.setTile(new DoorDungeonTile(pos, dungeon, false));
        }
    }
    // Otherwise set the tile to a floor tiles with walls either side
    else if(tile instanceof EmptyDungeonTile || tile instanceof CorridorWallDungeonTile) {
        dungeon.setTile(new CorridorFloorDungeonTile(pos, dungeon));
        if(direction == Direction.VERTICAL){
            addCorridorWall(dungeon, new GridPoint2(pos.x+1, pos.y));
            addCorridorWall(dungeon, new GridPoint2(pos.x-1, pos.y));
        } else {
            addCorridorWall(dungeon, new GridPoint2(pos.x, pos.y+1));
            addCorridorWall(dungeon, new GridPoint2(pos.x, pos.y-1));
        }
    }
}
 

import com.badlogic.gdx.math.GridPoint2; //导入依赖的package包/类
private boolean getNewPath(){
    Dungeon dungeon = Dungeon.getActiveDungeon();
    int tries = 0;
    GridPoint2 potentialTarget = DungeonUtils.getRandomTileInAnyRoom(dungeon);
    Array<AstarNode> potentialPath = DungeonUtils.generateNewPathBetween(character.getPosition(), potentialTarget, character.getDungeon());

    //Loop trying to find a path to a random room. Give up after 3 tries.
    //TODO build the fScore limit into the algo to avoid unnecessary path generation
    float pathCostThreshold = 50000;

    while (potentialPath.size == 0 || potentialPath.get(0).fScore > pathCostThreshold){
        potentialTarget = DungeonUtils.getRandomTileInAnyRoom(dungeon);
        potentialPath = DungeonUtils.generateNewPathBetween(character.getPosition(), potentialTarget, character.getDungeon());
        tries++;
        if (tries >= 3){
            return false;
        }
    }

    pathTarget.set(potentialTarget);

    path = potentialPath;

    return true;
}
 

import com.badlogic.gdx.math.GridPoint2; //导入依赖的package包/类
private GridPoint2 project(float x, float y){
	float ratio = 1f / ((float)editor.pixmap().getWidth() / editor.pixmap().getHeight());
	float size = Math.min(width, height);
	float sclwidth = size * zoom;
	float sclheight = size * zoom * ratio;
	x = (x - getWidth()/2 + sclwidth/2 - offsetx*zoom) / sclwidth * editor.texture().getWidth();
	y = (y - getHeight()/2 + sclheight/2 - offsety*zoom) / sclheight * editor.texture().getHeight();
	return Tmp.g1.set((int)x, editor.texture().getHeight() - 1 - (int)y);
}
 

import com.badlogic.gdx.math.GridPoint2; //导入依赖的package包/类
/**
 * Input is in block coordinates, not world coordinates.
 * @return null if no collisions found, block position otherwise.
 */
public GridPoint2 raycast(int x0f, int y0f, int x1, int y1){
	int x0 = x0f;
	int y0 = y0f;
	int dx = Math.abs(x1 - x0);
	int dy = Math.abs(y1 - y0);

	int sx = x0 < x1 ? 1 : -1;
	int sy = y0 < y1 ? 1 : -1;

	int err = dx - dy;
	int e2;
	while(true){

		if(!passable(x0, y0)){
			return Tmp.g1.set(x0, y0);
		}
		if(x0 == x1 && y0 == y1) break;

		e2 = 2 * err;
		if(e2 > -dy){
			err = err - dy;
			x0 = x0 + sx;
		}

		if(e2 < dx){
			err = err + dx;
			y0 = y0 + sy;
		}
	}
	return null;
}
 

import com.badlogic.gdx.math.GridPoint2; //导入依赖的package包/类
public void testRemovedPixmapField(){
    GraphHeader.currentReadWriteVersion = 0;

    TestClass object = new TestClass();
    object.someInt = randInt();
    object.someFloat = randFloat();
    object.point = new GridPoint2(randInt(), randInt());
    object.color = new Color(Color.CYAN);
    object.smallTestClass = new SmallTestClass();
    object.smallTestClass.someValue = randInt();

    Pixmap pixmap = new Pixmap(20, 24, Pixmap.Format.RGBA8888);
    for (int i = 0; i < pixmap.getWidth(); i++) {
        for (int j = 0; j < pixmap.getHeight(); j++) {
            pixmap.drawPixel(i, j, randInt());
        }
    }
    object.smallTestClass.somePixmap = pixmap;

    kryo.register(SmallTestClass.class);
    kryo.register(TestClass.class);

    GraphHeader<TestClass> graphHeader = new GraphHeader<TestClass>();
    graphHeader.data = object;

    GraphHeader.currentReadWriteVersion = 0;
    byte[] written = write(graphHeader);

    GraphHeader.currentReadWriteVersion = 1;
    GraphHeader<TestClass> returned = read(written, GraphHeader.class);
    assertTrue(equals(graphHeader, returned));
    assertTrue(returned.data.smallTestClass.somePixmap == null);
}
 

import com.badlogic.gdx.math.GridPoint2; //导入依赖的package包/类
@Override
   public void receiveMessage(MessageType type, Object... args) {
switch (type) {
    case LOAD_ANIMATIONS:
	EntityConfig config = (EntityConfig) args[0];
	Array<AnimationConfig> animationConfigs = config.getAnimationConfig();

	int animationWidth = config.getAnimationWidth();
	int animationHeight = config.getAnimationHeight();
	String charAtlasID = config.getCharAtlasID();
	for (AnimationConfig animationConfig : animationConfigs) {
	    Array<GridPoint2> gridPoints = animationConfig.getGridPoints();
	    AnimationType animationType = animationConfig.getAnimationType();
	    float frameDuration = animationConfig.getFrameDuration();

	    animations.put(animationType, loadAnimation(charAtlasID, gridPoints, animationWidth, animationHeight, frameDuration));
	}
	break;
    case SET_SIZE:
	origin.set((Float) args[0] * 0.5f, (Float) args[1] * 0.5f);
	break;
    case SET_STATE:
	this.state = (State) args[0];
	updateCurrentAnimation();
	break;
    case SET_DIRECTION:
	this.direction = (Direction) args[0];
	updateCurrentAnimation();
	break;
    default:
	break;
}

   }