From bec6bdca6aa58a6ec510d1e796ae0444fa5ddd3b Mon Sep 17 00:00:00 2001
From: faiface <faiface@ksp.sk>
Date: Sun, 19 Mar 2017 00:08:46 +0100
Subject: [PATCH] add Matrix.Chained
---
geometry.go | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/geometry.go b/geometry.go
index ad63f99..12a324f 100644
--- a/geometry.go
+++ b/geometry.go
@@ -284,6 +284,14 @@ func (m Matrix) Rotated(around Vec, angle float64) Matrix {
return Matrix(m3)
}
+// Chained adds another Matrix to this one. All tranformations by the next Matrix will be applied
+// after the transformations of this Matrix.
+func (m Matrix) Chained(next Matrix) Matrix {
+ m3 := mgl64.Mat3(m)
+ m3 = mgl64.Mat3(next).Mul3(m3)
+ return Matrix(m3)
+}
+
// Project applies all transformations added to the Matrix to a vector u and returns the result.
//
// Time complexity is O(1).
--
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