23 lines
578 B
Go
23 lines
578 B
Go
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package entity
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import (
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"github.com/df-mc/dragonfly/server/world"
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"github.com/go-gl/mathgl/mgl64"
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)
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// Eyed represents an entity that has eyes.
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type Eyed interface {
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// EyeHeight returns the offset from their base position that the eyes of an entity are found at.
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EyeHeight() float64
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}
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// EyePosition returns the position of the eyes of the entity if the entity implements entity.Eyed, or the
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// actual position if it doesn't.
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func EyePosition(e world.Entity) mgl64.Vec3 {
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pos := e.Position()
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if eyed, ok := e.(Eyed); ok {
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pos[1] += eyed.EyeHeight()
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}
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return pos
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}
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