Fixed st_camera_rotate() and st_camera_rotate_set() by including pi

Bryce-Dixon · Bryce-Dixon · commit 21390483808a · 2016-07-28T00:46:04.000-07:00
diff --git a/spritetools.h b/spritetools.h
@@ -911,8 +911,11 @@ void st_camera_rotate(st_cam *pcam, float rot){
 	st_cam cam = *pcam;
 	cam.rot += rot;
 	//wraps rotation
-	while(cam.rot > 1.0){
-		cam.rot -= 1.0;
+	while(cam.rot > 2*3.14159265359){
+		cam.rot -= 2*3.14159265359;
+	}
+	while(cam.rot < 0){
+		cam.rot += 2*3.14159265359;
 	}
 	*pcam = cam;
 }
@@ -925,6 +928,9 @@ void st_camera_rotate_set(st_cam *pcam, float rot){
 	while(cam.rot > 1.0){
 		cam.rot -= 1.0;
 	}
+	while(cam.rot < 0){
+		cam.rot += 2*3.14159265359;
+	}
 	*pcam = cam;
 }
 

Original file line number	Diff line number	Diff line change
`@@ -911,8 +911,11 @@ void st_camera_rotate(st_cam *pcam, float rot){`
`911`	`911`	`st_cam cam = *pcam;`
`912`	`912`	`cam.rot += rot;`
`913`	`913`	`//wraps rotation`
`914`		`- while(cam.rot > 1.0){`
`915`		`- cam.rot -= 1.0;`
	`914`	`+ while(cam.rot > 2*3.14159265359){`
	`915`	`+ cam.rot -= 2*3.14159265359;`
	`916`	`+ }`
	`917`	`+ while(cam.rot < 0){`
	`918`	`+ cam.rot += 2*3.14159265359;`
`916`	`919`	`}`
`917`	`920`	`*pcam = cam;`
`918`	`921`	`}`
`@@ -925,6 +928,9 @@ void st_camera_rotate_set(st_cam *pcam, float rot){`
`925`	`928`	`while(cam.rot > 1.0){`
`926`	`929`	`cam.rot -= 1.0;`
`927`	`930`	`}`
	`931`	`+ while(cam.rot < 0){`
	`932`	`+ cam.rot += 2*3.14159265359;`
	`933`	`+ }`
`928`	`934`	`*pcam = cam;`
`929`	`935`	`}`
`930`	`936`