From 2aa5e6701cc6bcc18b1f797dba25e4023f604845 Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Sun, 24 Mar 2013 00:11:07 +0300
Subject: improve rotationalparticle class.
---
src/rotationalparticle.cpp | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/src/rotationalparticle.cpp b/src/rotationalparticle.cpp
index 407bcaa56..d3b296587 100644
--- a/src/rotationalparticle.cpp
+++ b/src/rotationalparticle.cpp
@@ -28,6 +28,7 @@
#include "debug.h"
static const double PI = 3.14159265;
+static const float PI2 = 2 * 3.14159265;
RotationalParticle::RotationalParticle(Map *const map,
Animation *const animation) :
@@ -64,12 +65,12 @@ bool RotationalParticle::update()
float rad = static_cast<float>(atan2(mVelocity.x, mVelocity.y));
if (rad < 0)
- rad = static_cast<float>(PI) + static_cast<float>(PI) + rad;
+ rad = PI2 + rad;
const float range = static_cast<const float>(PI / size);
// Determines which frame the particle should play
- if (rad < range || rad > ((static_cast<float>(PI)*2) - range))
+ if (rad < range || rad > PI2 - range)
{
mAnimation->setFrame(0);
}
--
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