From 49338251d2291f7f304f639b3a21a58454020a3f Mon Sep 17 00:00:00 2001
From: faiface <faiface@ksp.sk>
Date: Tue, 4 Apr 2017 14:08:37 +0200
Subject: [PATCH] add Matrix.String
---
geometry.go | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/geometry.go b/geometry.go
index 502d06a..160fee8 100644
--- a/geometry.go
+++ b/geometry.go
@@ -287,6 +287,19 @@ type Matrix [9]float64
// IM stands for identity matrix. Does nothing, no transformation.
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.
func (m Matrix) Moved(delta Vec) Matrix {
m3 := mgl64.Mat3(m)
--
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