From d88fabecd34214605ec7e0f3ba71bce1224bd88b Mon Sep 17 00:00:00 2001
From: Micah Elizabeth Scott <micah@scanlime.org>
Date: Sun, 9 Mar 2014 19:25:50 -0700
Subject: [PATCH] Fix XYZW speed timestep
---
examples/cpp/rings.cpp | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/examples/cpp/rings.cpp b/examples/cpp/rings.cpp
index a600c02..a274b85 100644
--- a/examples/cpp/rings.cpp
+++ b/examples/cpp/rings.cpp
@@ -18,9 +18,9 @@ public:
Rings()
: d(0, 0, 0, 0) {}
- static const float xyzSpeed = 0.006;
+ static const float xyzSpeed = 0.6;
static const float xyzScale = 0.08;
- static const float wSpeed = 0.002;
+ static const float wSpeed = 0.2;
static const float wRate = 0.0001;
static const float ringScale = 1.5;
static const float ringScaleRate = 0.01;
@@ -48,11 +48,11 @@ public:
// Rotate movement in the XZ plane
float angle = noise2(f.time * 0.01, 30.5) * 10.0;
float speed = pow(fabsf(noise2(f.time * 0.01, 40.5)), 2.5) * xyzSpeed;
- d[0] += cosf(angle) * speed;
- d[2] += sinf(angle) * speed;
+ d[0] += cosf(angle) * speed * f.timeDelta;
+ d[2] += sinf(angle) * speed * f.timeDelta;
// Random wander along the W axis
- d[3] += noise2(f.time * wRate, 3.5) * wSpeed;
+ d[3] += noise2(f.time * wRate, 3.5) * wSpeed * f.timeDelta;
// Update center position
center = Vec3(noise2(f.time * wanderSpeed, 50.9),
--
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