63 lines
1.3 KiB
Go
63 lines
1.3 KiB
Go
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package elements
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import (
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"math"
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"mover/assets"
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"mover/gamedata"
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"github.com/hajimehoshi/ebiten/v2"
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)
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type Cloud struct {
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Sprite *ebiten.Image
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position gamedata.Coordinates
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angle float64
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velocity float64
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Alpha float64
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}
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func NewCloud(a gamedata.Area, angle, velocity float64) *Cloud {
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c := &Cloud{
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Sprite: ebiten.NewImage(a.Width, a.Height),
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angle: angle, //rand.Float64() * (math.Pi * 2),
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velocity: velocity,
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}
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return c
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}
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func (c *Cloud) Update() error {
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c.position.X += c.velocity * math.Cos(c.angle)
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c.position.Y += c.velocity * math.Sin(c.angle)
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return nil
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}
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func (c *Cloud) Draw() {
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c.Sprite.Clear()
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//c.Sprite.Fill(color.RGBA{R: 0xff, G: 0xff, B: 0xff, A: 0xff})
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//c.Sprite.Fill(color.White)
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cloudsprite := assets.ImageBank[assets.Cloud]
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spritex := cloudsprite.Bounds().Dx()
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spritey := cloudsprite.Bounds().Dy()
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cloudx := c.Sprite.Bounds().Dx()
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cloudy := c.Sprite.Bounds().Dy()
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scalex := float64(cloudx) / float64(spritex)
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scaley := float64(cloudy) / float64(spritey)
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op := &ebiten.DrawImageOptions{}
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op.GeoM.Scale(scalex, scaley)
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c.Sprite.DrawImage(assets.ImageBank[assets.Cloud], op)
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}
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func (c *Cloud) SetPosition(p gamedata.Coordinates) {
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c.position = p
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}
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func (c *Cloud) GetPosition() gamedata.Coordinates {
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return c.position
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}
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