38 lines
653 B
Go
38 lines
653 B
Go
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package vec2
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import "zworld/plugin/math"
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// New returns a vec2 from its components
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func New(x, y float32) T {
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return T{X: x, Y: y}
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}
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// NewI returns a vec2 from integer components
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func NewI(x, y int) T {
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return T{X: float32(x), Y: float32(y)}
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}
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// Dot returns the dot product of two vectors.
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func Dot(a, b T) float32 {
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return a.X*b.X + a.Y*b.Y
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}
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// Distance returns the euclidian distance between two points.
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func Distance(a, b T) float32 {
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return a.Sub(b).Length()
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}
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func Min(a, b T) T {
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return T{
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X: math.Min(a.X, b.X),
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Y: math.Min(a.Y, b.Y),
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}
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}
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func Max(a, b T) T {
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return T{
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X: math.Max(a.X, b.X),
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Y: math.Max(a.Y, b.Y),
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}
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}
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