52 lines
953 B
Go
52 lines
953 B
Go
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package main
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import "cart/w4"
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type Bullet struct {
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Position Vector
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SpeedX int8
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SpeedY int8
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Owner Actor
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Dead bool
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}
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func (b *Bullet) GetPosition() Vector {
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return b.Position
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}
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func (b *Bullet) Update() bool {
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if b.Dead {
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return true
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}
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b.Position.Move(float64(b.SpeedX), float64(b.SpeedY))
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if b.Position.X < 0 || b.Position.X > 320 || b.Position.Y < -160 || b.Position.Y > 320 {
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return true
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}
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for _, actor := range actors {
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if actor == Actor(b.Owner) || actor == b {
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continue
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}
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if _, ok := actor.(*Bullet); ok {
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continue
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}
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diff := b.Position.Sub(actor.GetPosition())
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if diff.LenSquared() < 60 {
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actor.TakeHit(b)
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// b.TakeHit(b)
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b.Dead = true
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return true
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}
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}
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return false
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}
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func (b *Bullet) Draw() {
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*w4.DRAW_COLORS = 0x41
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w4.Oval(int(b.Position.X)-3-camX, int(b.Position.Y)-3-camY, 6, 6)
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}
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func (b *Bullet) TakeHit(from Actor) {
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w4.Tone(800, 10<<8, 20, w4.TONE_MODE2)
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b.Dead = true
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}
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