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add Matrix.String

This commit is contained in:
faiface 2017-04-04 14:08:37 +02:00
parent b135012115
commit 49338251d2
1 changed files with 13 additions and 0 deletions
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13
geometry.go
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@ -287,6 +287,19 @@ type Matrix [9]float64
// IM stands for identity matrix. Does nothing, no transformation. // IM stands for identity matrix. Does nothing, no transformation.
var IM = Matrix(mgl64.Ident3()) var IM = Matrix(mgl64.Ident3())
// String returns a string representation of the Matrix.
//
// m := pixel.IM
// fmt.Println(m) // Matrix(1 0 0 | 0 1 0 | 0 0 1)
func (m Matrix) String() string {
return fmt.Sprintf(
"Matrix(%v %v %v | %v %v %v | %v %v %v)",
m[0], m[1], m[2],
m[3], m[4], m[5],
m[6], m[7], m[8],
)
}
// Moved moves everything by the delta vector. // Moved moves everything by the delta vector.
func (m Matrix) Moved(delta Vec) Matrix { func (m Matrix) Moved(delta Vec) Matrix {
m3 := mgl64.Mat3(m) m3 := mgl64.Mat3(m)