Golang engine.Vector类代码示例

func (m *Map) GetCollisions2(worldPosition engine.Vector, width, height float32, xCollisions, yCollisions []int) (x, y []int) {
	_, x1, y1 := m.PositionToTile(worldPosition.Add(engine.Vector{width / 2, height / 2, 0}))
	_, x2, y2 := m.PositionToTile(worldPosition.Add(engine.Vector{-width / 2, -height / 2, 0}))
	if x1 > x2 {
		x1, x2 = x2, x1
	}
	if y1 > y2 {
		y1, y2 = y2, y1
	}
	for ; y1 <= y2; y1++ {
		for x := x1; x <= x2; x++ {
			if !m.IsTileWalkabke(x, y1) {
				if xCollisions == nil {
					xCollisions = make([]int, 0, 4)
				}
				if yCollisions == nil {
					yCollisions = make([]int, 0, 4)
				}
				xCollisions = append(xCollisions, x)
				yCollisions = append(yCollisions, y1)
			}
		}
	}

	return xCollisions, yCollisions
}

func VectorFmtRotation(v engine.Vector, arr []float32, s string) engine.Vector {
	if len(s) == 0 && len(arr) == 1 {
		v.Z = arr[0]
		return v
	}
	return VectorFmt(v, arr, s)
}

func (m *Map) CheckCollision(worldPosition engine.Vector, width, height float32) bool {
	_, x1, y1 := m.PositionToTile(worldPosition.Add(engine.Vector{width / 2, height / 2, 0}))
	_, x2, y2 := m.PositionToTile(worldPosition.Add(engine.Vector{-width / 2, -height / 2, 0}))
	if x1 > x2 {
		x1, x2 = x2, x1
	}
	if y1 > y2 {
		y1, y2 = y2, y1
	}

	for ; y1 <= y2; y1++ {
		for x := x1; x <= x2; x++ {
			if !m.IsTileWalkabke(x, y1) {
				return true
			}
		}
	}

	return false
}

func (this *PlayerController) FixedUpdate() {
	this.GameObject().Physics.Shape.Layer = chipmunk.Layer(this.Player.Map.Layer)
	t := this.JointGameObject.Transform()

	var move engine.Vector = this.Transform().WorldPosition()

	if input.KeyDown('W') {
		move.Y += 100
	}
	if input.KeyDown('S') {
		move.Y += -100
	}
	if input.KeyDown('A') {
		move.X += -100
	}
	if input.KeyDown('D') {
		move.X += 100
	}

	t.SetWorldPosition(move)
}

func (m *Map) PositionToTile(worldPosition engine.Vector) (tile Tile, x, y int) {

	mapPos := m.Transform().WorldPosition()
	//Calculate center of map
	mapPos.X -= (m.TileSize * float32(m.Width) / 2)
	mapPos.Y -= (m.TileSize * float32(m.Height) / 2)

	//World to Local position
	worldPosition.X -= mapPos.X
	worldPosition.Y -= mapPos.Y

	//Turn upside down
	worldPosition.Y = (float32(m.Height) * m.TileSize) - worldPosition.Y

	//Calculate tile position in array
	xx := (worldPosition.X / m.TileSize)
	yy := (worldPosition.Y / m.TileSize)
	if xx < 0 {
		x = -1
	} else {
		x = int(xx)
	}
	if yy < 0 {
		y = -1
	} else {
		y = int(yy)
	}

	//Check if outside of map
	if xx < 0 || yy < 0 || xx >= float32(m.Width) || yy >= float32(m.Height) {
		return 0, x, y
	}

	//return the tile
	return m.Tiles[x+(y*m.Width)], int(x), int(y)
}

func (m *Map) Draw() {
	if m.Layer < MainPlayer.Map.Layer {
		return
	}
	camera := engine.GetScene().SceneBase().Camera
	cameraPos := camera.Transform().WorldPosition()
	w, h := camera.ScreenSize()
	cameraPos.X -= w / 2
	cameraPos.Y -= h / 2

	//calculate max tiles on screen
	width := int(float32(engine.Width)/(m.TileSize-1)) + 2
	height := int(float32(engine.Height)/(m.TileSize-1)) + 2

	index := 0
	for x := -1; x < width; x++ {
		for y := -1; y < height; y++ {
			var tilePos engine.Vector

			//Try to find tiles on screen
			tilePos.X = cameraPos.X + float32((x * int(m.TileSize-1)))
			tilePos.Y = cameraPos.Y + float32((y * int(m.TileSize-1)))

			//Get tile
			tileType, tx, ty := m.PositionToTile(tilePos)

			//Check if visible/exists
			if tileType.Type() != 0 {
				//Add to draw list
				m.uvs[index] = m.Sprite.UVs[tileType.Type()-1]
				pos, e := m.GetTilePos(tx, ty)
				if !e {
					panic("Does not exists")
				}
				m.positions[index] = pos
				m.rotations[index] = tileType.Angle() + m.Disco
				m.scales[index] = engine.NewVector2(m.TileSize+float32(int(m.Disco)%52), m.TileSize+float32(int(m.Disco)%52))
				index++
				//engine.DrawSprite(m.Sprite.Texture, m.Sprite.UVs[int(m.Tiles[tileIndex])], tilePos, engine.NewVector2(m.TileSize, m.TileSize), 0, engine.AlignCenter, engine.One)
			}
			if tileType.Type2() != 0 {
				//Add to draw list
				m.uvs[index] = m.Sprite.UVs[tileType.Type2()-1]
				pos, e := m.GetTilePos(tx, ty)
				if !e {
					panic("Does not exists")
				}
				m.positions[index] = pos
				m.rotations[index] = tileType.Angle2() + m.Disco
				m.scales[index] = engine.NewVector2(m.TileSize+float32(int(m.Disco)%52), m.TileSize+float32(int(m.Disco)%52))
				index++
				//engine.DrawSprite(m.Sprite.Texture, m.Sprite.UVs[int(m.Tiles[tileIndex])], tilePos, engine.NewVector2(m.TileSize, m.TileSize), 0, engine.AlignCenter, engine.One)
			}
		}
	}

	if m.EnableDisco {
		if m.DiscoStyle == 1 {
			m.Disco++
		} else {
			m.Disco--
		}
		if m.Disco > 50 {
			m.DiscoStyle = 0
		}
		if m.Disco < 0 {
			m.DiscoStyle = 1
		}
	}

	if index > 0 {
		engine.DrawSprites(m.Sprite.Texture, m.uvs[:index], m.positions[:index], m.scales[:index], m.rotations[:index], m.alings[:index], m.colors[:index])
	}

}

//.........这里部分代码省略.........
	Background.AddComponent(engine.NewSprite3(atlasSpace.Texture, uvs))
	Background.Sprite.BindAnimations(ind)
	Background.Sprite.SetAnimation("s")
	Background.Sprite.AnimationSpeed = 0
	Background.Transform().SetScalef(50, 50)
	Background.Transform().SetPositionf(400, 400)

	uvs, ind = engine.AnimatedGroupUVs(atlasPowerUp, PowerUps_ID)
	PowerUpGO = engine.NewGameObject("Background")
	//PowerUpGO.Transform().SetParent2(Layer2)
	PowerUpGO.AddComponent(engine.NewSprite3(atlasPowerUp.Texture, uvs))
	PowerUpGO.AddComponent(engine.NewPhysics(false))
	PowerUpGO.Physics.Shape.IsSensor = true
	PowerUpGO.Sprite.BindAnimations(ind)
	PowerUpGO.Sprite.SetAnimation(PowerUps_ID)
	PowerUpGO.Sprite.AnimationSpeed = 0
	index := (rand.Int() % 6) + 6
	PowerUpGO.Sprite.SetAnimationIndex(int(index))
	PowerUpGO.Transform().SetScalef(61, 61)
	PowerUpGO.Transform().SetPositionf(0, 0)

	background := engine.NewGameObject("Background")
	background.AddComponent(engine.NewSprite(backgroung))
	background.AddComponent(NewBackground(background.Sprite))
	background.Sprite.Render = false
	//background.Transform().SetScalef(float32(backgroung.Height()), float32(backgroung.Height()), 1)
	background.Transform().SetScalef(800, 800)
	background.Transform().SetPositionf(0, 0)

	for i := 0; i < 300; i++ {
		c := Background.Clone()
		c.Transform().SetParent2(Layer4)
		size := 20 + rand.Float32()*50
		p := engine.Vector{(rand.Float32() * 5000) - 1000, (rand.Float32() * 5000) - 1000, 1}

		index := rand.Int() % 7

		Background.Sprite.SetAnimationIndex(int(index))

		c.Transform().SetRotationf(rand.Float32() * 360)

		c.Transform().SetPosition(p)
		c.Transform().SetScalef(size, size)
	}

	for i := 0; i < 600; i++ {
		c := cookie.Clone()
		//c.Tag = CookieTag
		c.Transform().SetParent2(Layer2)
		size := 40 + rand.Float32()*100
		p := engine.Vector{(rand.Float32() * 4000), (rand.Float32() * 4000), 1}

		if p.X < 1100 && p.Y < 800 {
			p.X += 1100
			p.Y += 800
		}

		c.Transform().SetPosition(p)
		c.Transform().SetScalef(size, size)
	}

	Wall = engine.NewGameObject("Wall")
	Wall.Transform().SetParent2(Layer2)

	for i := 0; i < (4000/400)+2; i++ {
		c := staticCookie.Clone()

//.........这里部分代码省略.........
	Background.AddComponent(engine.NewSprite3(atlasSpace.Texture, uvs))
	Background.Sprite.BindAnimations(ind)
	Background.Sprite.SetAnimation("s")
	Background.Sprite.AnimationSpeed = 0
	Background.Transform().SetScalef(50, 50)
	Background.Transform().SetPositionf(400, 400)

	uvs, ind = engine.AnimatedGroupUVs(atlasPowerUp, PowerUps_ID)
	PowerUpGO = engine.NewGameObject("Background")
	//PowerUpGO.Transform().SetParent2(Layer2)
	PowerUpGO.AddComponent(engine.NewSprite3(atlasPowerUp.Texture, uvs))
	PowerUpGO.AddComponent(engine.NewPhysics(false))
	PowerUpGO.Physics.Shape.IsSensor = true
	PowerUpGO.Sprite.BindAnimations(ind)
	PowerUpGO.Sprite.SetAnimation(PowerUps_ID)
	PowerUpGO.Sprite.AnimationSpeed = 0
	index := (rand.Int() % 6) + 6
	PowerUpGO.Sprite.SetAnimationIndex(int(index))
	PowerUpGO.Transform().SetScalef(61, 61)
	PowerUpGO.Transform().SetPositionf(0, 0)

	background := engine.NewGameObject("Background")
	background.AddComponent(engine.NewSprite(backgroung))
	background.Transform().SetScalef(800, 800)
	background.Transform().SetPositionf(0, 0)
	background.Transform().SetDepth(-6)
	background.Transform().SetParent2(cam)

	for i := 0; i < 300; i++ {
		c := Background.Clone()
		c.Transform().SetParent2(Layer4)
		c.Transform().SetDepth(-5)
		size := 20 + rand.Float32()*50
		p := engine.Vector{(rand.Float32() * 5000) - 1000, (rand.Float32() * 5000) - 1000, 1}

		index := rand.Int() % 7

		Background.Sprite.SetAnimationIndex(int(index))

		c.Transform().SetRotationf(rand.Float32() * 360)

		c.Transform().SetPosition(p)
		c.Transform().SetScalef(size, size)
	}

	for i := 0; i < 600; i++ {
		c := cookie.Clone()
		//c.Tag = CookieTag
		c.Transform().SetParent2(Layer2)
		size := 40 + rand.Float32()*100
		p := engine.Vector{(rand.Float32() * 4000), (rand.Float32() * 4000), 1}

		if p.X < 1100 && p.Y < 800 {
			p.X += 1100
			p.Y += 800
		}

		c.Transform().SetPosition(p)
		c.Transform().SetScalef(size, size)
	}

	Wall = engine.NewGameObject("Wall")
	Wall.Transform().SetParent2(Layer2)

	for i := 0; i < (4000/400)+2; i++ {
		c := staticCookie.Clone()

func VectorFmt(v engine.Vector, arr []float32, s string) engine.Vector {
	if len(s) == 0 {
		if len(arr) > 2 {
			v.X = arr[0]
			v.Y = arr[1]
			v.Z = arr[2]
		} else if len(arr) > 1 {
			v.X = arr[0]
			v.Y = arr[1]
		} else {
			v.X = arr[0]
		}
		return v
	}
	if (len(s) <= 3 && len(s) >= 1) && len(arr) == 1 {
		for _, r := range s {
			switch r {
			case 'x', 'X':
				v.X = arr[0]
			case 'y', 'Y':
				v.Y = arr[0]
			case 'z', 'Z':
				v.Z = arr[0]
			}
		}
		return v
	}
	for i, r := range s {
		if i >= len(arr) {
			break
		}
		switch r {
		case 'x', 'X':
			v.X = arr[i]
		case 'y', 'Y':
			v.Y = arr[i]
		case 'z', 'Z':
			v.Z = arr[i]
		}
	}
	return v
}