cepheid

commit f522707e3c4958b0a90ac6376623bb59d4d36a11
parent 3f0e6475dd2dd06e821de038bab8ce7d0edd409b
Author: hhvn <dev@hhvn.uk>
Date:   Mon,  3 Oct 2022 12:47:22 +0100

_d functions to replace radians with degrees

Diffstat:
M
src/main.h
 | 
5
+++++
A
src/maths.c
 | 
21
+++++++++++++++++++++
M
src/maths.h
 | 
8
++++----
M
src/system.c
 | 
6
+++---

4 files changed, 33 insertions(+), 7 deletions(-)
diff --git a/src/main.h b/src/main.h
@@ -186,3 +186,8 @@ float	dbgetfloat(char *dir, char *group, char *key);
 Loader *loading_open(int steps, char *initstr);
 void	loading_update(Loader *hand, char *str);
 void	loading_close(Loader *hand);
+
+/* maths.c */
+float	cosf_d(float x);
+float	sinf_d(float x);
+float	atan2f_d(float y, float x);
diff --git a/src/maths.c b/src/maths.c
@@ -0,0 +1,21 @@
+#include <raylib.h> /* RAD2DEG, DEG2RAD */
+#include <math.h>
+#include "maths.h"
+
+#undef cosf
+float
+cosf_d(float x) {
+	return cosf(RAD(x));
+}
+
+#undef sinf
+float
+sinf_d(float x) {
+	return sinf(RAD(x));
+}
+
+#undef atan2f
+float
+atan2f_d(float y, float x) {
+	return DEG(atan2f(y, x));
+}
diff --git a/src/maths.h b/src/maths.h
@@ -22,9 +22,9 @@
 
 /* eugh. raylib uses degrees, libm uses radians.
  * Let's make everything degrees. */
-#define COSF(n) cosf(RAD(n))
-#define SINF(n) sinf(RAD(n))
-#define ATAN2F(y, x) DEG(atan2f(y, x))
-
+#define cosf(...) deprecated()
+#define sinf(...) deprecated()
+#define atan2f(...) deprecated()
+/* see main.h for _d versions */
 
 #define SQUARE(a) (a * a)
diff --git a/src/system.c b/src/system.c
@@ -7,8 +7,8 @@
 Vector2
 sys_vectorize(Polar polar) {
 	return (Vector2) {
-		polar.r * COSF(polar.theta),
-		polar.r * SINF(polar.theta)
+		polar.r * cosf_d(polar.theta),
+		polar.r * sinf_d(polar.theta)
 	};
 }
 
@@ -25,7 +25,7 @@ Polar
 sys_polarize(Vector2 vector) {
 	return (Polar) {
 		hypotf(vector.x, vector.y),
-		ATAN2F(vector.y, vector.x)
+		atan2f_d(vector.y, vector.x)
 	};
 }