X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=util.h;h=4a0aed85214805714d680a3a6d6a736586f64257;hb=3795723be95f2fe82f3c8b8b45b1a905b2c811fd;hp=91ed0a20fa7e765760e8507029b4ecee4a893ab0;hpb=c871e86acb0359489b2b6e10343899771e659d3d;p=nageru

diff --git a/util.h b/util.h
index 91ed0a2..4a0aed8 100644
--- a/util.h
+++ b/util.h
@@ -1,10 +1,10 @@
 #ifndef _UTIL_H
 #define _UTIL_H 1
 
-#include <math.h>
-#include <stdint.h>
 #include <algorithm>
+#include <math.h>
 #include <memory>
+#include <stdint.h>
 
 struct Vec2 {
 	float du, dv;
@@ -22,29 +22,37 @@ inline void flow2rgb(float du, float dv, uint8_t *rr, uint8_t *gg, uint8_t *bb)
 {
 	float angle = atan2(dv, du);
 	float magnitude = std::min(hypot(du, dv) / 20.0, 1.0);
-	
+
 	// HSV to RGB (from Wikipedia). Saturation is 1.
 	float c = magnitude;
 	float h = (angle + M_PI) * 6.0 / (2.0 * M_PI);
 	float X = c * (1.0 - fabs(fmod(h, 2.0) - 1.0));
 	float r = 0.0f, g = 0.0f, b = 0.0f;
 	if (h <= 1.0f) {
-		r = c; g = X;
+		r = c;
+		g = X;
 	} else if (h <= 2.0f) {
-		r = X; g = c;
+		r = X;
+		g = c;
 	} else if (h <= 3.0f) {
-		g = c; b = X;
+		g = c;
+		b = X;
 	} else if (h <= 4.0f) {
-		g = X; b = c;
+		g = X;
+		b = c;
 	} else if (h <= 5.0f) {
-		r = X; b = c;
+		r = X;
+		b = c;
 	} else if (h <= 6.0f) {
-		r = c; b = X;
+		r = c;
+		b = X;
 	} else {
 		// h is NaN, so black is fine.
 	}
 	float m = magnitude - c;
-	r += m; g += m; b += m;
+	r += m;
+	g += m;
+	b += m;
 	r = std::max(std::min(r, 1.0f), 0.0f);
 	g = std::max(std::min(g, 1.0f), 0.0f);
 	b = std::max(std::min(b, 1.0f), 0.0f);