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authorDavid Thompson <dthompson2@worcester.edu>2014-05-02 23:41:34 -0400
committerDavid Thompson <dthompson2@worcester.edu>2014-05-02 23:41:34 -0400
commita160708eac84695e6d27adfcaed8a40ecb9208fc (patch)
treeaafa1dbe04a1579caa192a22aa92c045231f28b8
parent5969fc30fda498220b8756441acd4ec64dbfe9f1 (diff)
Prefix matrix operations with "transform-".
* 2d/transform.scm (translate, scale, rotate): Renamed. (transform-translate, transform-scale, transform-rotate): New names.
-rw-r--r--2d/transform.scm12
1 files changed, 6 insertions, 6 deletions
diff --git a/2d/transform.scm b/2d/transform.scm
index 5478770..df2f943 100644
--- a/2d/transform.scm
+++ b/2d/transform.scm
@@ -35,9 +35,9 @@
transform-vector2
transform+
transform*
- translate
- scale
- rotate
+ transform-translate
+ transform-scale
+ transform-rotate
orthographic-projection))
(define-record-type <transform>
@@ -132,7 +132,7 @@ identity-transform if called without any arguments."
(%make-transform m3)))
(reduce mul identity-transform transforms))
-(define (translate v)
+(define (transform-translate v)
"Return a new transform that translates the x and y axes by the
vector2 V."
(make-transform 1 0 0 (vx v)
@@ -140,7 +140,7 @@ vector2 V."
0 0 1 0
0 0 0 1))
-(define (scale v)
+(define (transform-scale v)
"Return a new transform that scales the X and Y axes by the vector2
V."
(make-transform (vx v) 0 0 0
@@ -148,7 +148,7 @@ V."
0 0 1 0
0 0 0 1))
-(define (rotate angle)
+(define (transform-rotate angle)
"Return a new transform that rotates the Z axis by ANGLE radians."
(make-transform (cos angle) (- (sin angle)) 0 0
(sin angle) (cos angle) 0 0