public override bool CheckCollision(GameObject two, out Directions direction, out Vector2 diffVector)
{
direction = Directions.Up; //Default direction value
diffVector = Vector2.Zero; //Default vector value
//Get the center point circle
Vector2 center = new Vector2(this.Position.X + this.Radius, this.Position.Y + this.Radius);
//Calculate AABB info (center, half-extents)
Vector2 aabbHalf = new Vector2(two.Size.X / 2, two.Size.Y / 2);
Vector2 aabbCenter = two.Position + aabbHalf;
//Get difference vector between both centers
Vector2 diff = center - aabbCenter;
Vector2 clamped = new Vector2(clamp(diff.X, -aabbHalf.X, aabbHalf.X), clamp(diff.Y, -aabbHalf.Y, aabbHalf.Y));
//Add clamped value to AABB Center and get the value of point closest to cirlce
Vector2 closest = aabbCenter + clamped;
diff = closest - center;
if (diff.Length <= this.Radius)
{
direction = VectorDirection(diff);
diffVector = diff;
return true;
}
return false;
}
public virtual bool CheckCollision(GameObject two)
{
//Check X-Collision
bool collisionX = this.Position.X + this.Size.X >= two.Position.X &&
two.Position.X + two.Size.X >= this.Position.X;
//Check Y-Collision
bool collisionY = this.Position.Y + this.Size.Y >= two.Position.Y &&
two.Position.Y + two.Size.Y >= this.Position.Y;
return collisionX && collisionY;
}
public virtual bool CheckCollision(GameObject two, out Directions direction, out Vector2 diffVector)
{
direction = Directions.Up; //Default direction
diffVector = Vector2.Zero; //Default vector value
return this.CheckCollision(two);
}
private void initLevel(List<int> tileData, int levelWidth, int levelHeight)
{
//Process TileData and transfer it to GameObject Bricks
int index = 0;
for (int y = 0; y < levelHeight; y++)
{
for (int x = 0; x < levelWidth && index < tileData.Count; x++, index++)
{
if (tileData[index] == 0) //Empty Space
continue;
//Calculate Brick Dimensions
float height = 32.0f;
float width = 800 / (float)levelWidth;
GameObject brick = new GameObject()
{
Position = new Vector2(width * x, height * y),
Color = this.getBrickColor(tileData[index]),
Size = new Vector2(width, height),
Rotation = 0f,
IsSolid = (tileData[index] == 1),
IsDestroyed = false,
Velocity = Vector2.Zero,
};
if (brick.IsSolid)
brick.Sprite = solidBrickTexture;
else
brick.Sprite = brickTexture;
this.Bricks.Add(brick);
}
}
}
public void Init()
{
//Initialize game timer
this.gameTime = new GameTime();
//OpenGL Config
GL.ClearColor(Color.Black);
//GL.Enable(EnableCap.CullFace);
GL.Enable(EnableCap.Blend);
GL.BlendFunc(BlendingFactorSrc.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
//GL.PolygonMode(MaterialFace.FrontAndBack, PolygonMode.Line);
//Initialize our game state
this.activeState = GameStates.Active;
//Load Shaders
Shader shader = new Shader(@"Shaders/vertex.glsl", @"Shaders/fragment.glsl");
//Configure Shaders
Matrix4 projection = Matrix4.CreateOrthographic(gameWindow.Width, gameWindow.Height, -1.0f, 1.0f) * Matrix4.CreateTranslation(-1f, -1f, 0f) * Matrix4.CreateScale(1f, -1f, 1f);
shader.Use();
shader.SetInteger("image", 0);
shader.SetMatrix4("proj", projection);
this.renderer = new SpriteRenderer(shader);
//Init Game Logic
this.gameLevels = new List<GameLevel>();
this.gameLevels.Add(new GameLevel(@"Levels/level_01.level"));
this.currentLevelIndex = 0;
Texture2D playerTexture = new Texture2D(@"Textures/paddle.png");
Vector2 playerSize = new Vector2(100, 20);
Vector2 playerPos = new Vector2(gameWindow.Width / 2 - playerSize.X / 2, gameWindow.Height - playerSize.Y);
//Player
this.player = new GameObject(playerPos, playerSize, playerTexture, Color.White, Vector2.Zero);
//Ball
float ballRadius = 12.5f;
this.ball = new BallObject(
new Vector2(player.Position.X + (playerSize.X / 2 - ballRadius), player.Position.Y - ballRadius * 2f - 1),
ballRadius, new Vector2(RNG.NextFloat(-250.0f, 250.0f), -350f), new Texture2D(@"Textures/ball.png"));
}