IEnumerator ControlledByBlock(Blocks.Block block, IEnumerator processor)
{
SpecialStateBlock = block;
yield return(SpecialState(processor));
SpecialStateBlock = null;
}
public void TestBlocks()
{
//Arrange
Blocks.Block b1 = new Blocks.Block("Primal Red", 155, 039, 039);
Blocks.Block b2 = new Blocks.Block("Verdant Green", 083, 175, 020);
//Act
Blocks blocks = new Blocks();
//Assert
Assert.AreEqual(b1.Color, blocks.Standard[0].Color);
Assert.AreEqual(b2.Color, blocks.Standard[blocks.Standard.Count - 1].Color);
}
/// <summary>
/// Sets a <see cref="Block"/> in the position
/// </summary>
/// <param name="x">X pos of the block</param>
/// <param name="y">Y pos of the block</param>
/// <param name="z">Z pos of the block</param>
/// <param name="block"><see cref="Block"/> to set</param>
/// <param name="chunk"><see cref="Chunk"/> to set the block in</param>
/// <param name="replacesBlocks">Can it replace blocks</param>
public static void SetBlock(int x, int y, int z, Blocks.Block block, Chunk chunk, bool replacesBlocks = false)
{
//* corrects the x, y, z pos of the so that the block is placed in the correct position
x -= chunk.chunkWorldPos.x;
y -= chunk.chunkWorldPos.y;
z -= chunk.chunkWorldPos.z;
//* checks that the block is in the chunk and that no block is already their then sets it
if (Chunk.InRange(x) && Chunk.InRange(y) && Chunk.InRange(z))
{
if (replacesBlocks || chunk.blocks[x, y, z] == null)
{
chunk.SetBlock(x, y, z, block, false);
}
}
}
public bool IsContactedWith(Blocks.Block block) => contactedBlocks.Contains(block);
/// <summary>
/// Checks for collision between ball and block, and changes the behavior of the ball accordingly
/// </summary>
/// <param name="block">Block for which collision is checked</param>
/// <returns>The type of block hit, if no block is hit -1 is returned</returns>
public int CheckCollision(Blocks.Block block)
{
//Points are labeled starting from the top-left corner and continuing clockwise
PointF a = new PointF(block.X, block.Y);
PointF b = new PointF(block.X + Constants.BLOCK_WIDTH, block.Y);
PointF c = new PointF(block.X + Constants.BLOCK_WIDTH, block.Y + Constants.BLOCK_HEIGHT);
PointF d = new PointF(block.X, block.Y + Constants.BLOCK_HEIGHT);
//Check if the ball is totally away from the block
//Line 1 a-b
//Line 2 b-c
//Line 3 c-d
//Line 4 d-a
Point Center = new Point(this.Center.X + (int)r, this.Center.Y + (int)r);
double d1 = DistanceToLine(Center, a, b);
double d2 = DistanceToLine(Center, b, c);
double d3 = DistanceToLine(Center, c, d);
double d4 = DistanceToLine(Center, d, a);
bool WasHit = false;
int x = this.Center.X, y = this.Center.Y;
bool isSquareBlock = (block is Blocks.SquareBlock);
if (d1 <= r && Center.X + r >= a.X && Center.X - r <= b.X)
{
//Ball hit the top side
if (isSquareBlock)
{
this.velocityY = -Math.Abs(this.velocityY);
}
WasHit = true;
}
if (d2 <= r && Center.Y + r >= b.Y && Center.Y - r <= c.Y)
{
//Ball hit the right side
if (isSquareBlock)
{
this.velocityX = Math.Abs(this.velocityX);
}
// x += (int)(Constants.DELTA + r);
WasHit = true;
}
if (d3 <= r && Center.X + r >= a.X && Center.X - r <= b.X)
{
//Ball hit the bottom side
if (isSquareBlock)
{
this.velocityY = Math.Abs(this.velocityY);
}
WasHit = true;
}
if (d4 <= r && Center.Y + r >= b.Y && Center.Y - r <= c.Y)
{
//Ball hit the left side
if (isSquareBlock)
{
this.velocityX = -Math.Abs(this.velocityX);
}
WasHit = true;
}
if (WasHit)
{
HitOnce = true;
Move();
Center = new Point(x, y);
return(block.WasHit());
}
return(-1);
}
