1 files changed, 0 insertions, 125 deletions
diff --git a/dep/src/g3dlite/PrecomputedRandom.cpp b/dep/src/g3dlite/PrecomputedRandom.cpp
deleted file mode 100644
index 387ded35195..00000000000
--- a/dep/src/g3dlite/PrecomputedRandom.cpp
+++ /dev/null
@@ -1,125 +0,0 @@
-/**
- @file PrecomputedRandom.cpp
- 
- @maintainer Morgan McGuire, http://graphics.cs.williams.edu
- 
- @created 2009-03-31
- @edited  2009-07-01
-
- Copyright 2000-2009, Morgan McGuire.
- All rights reserved.
- */
-
-#include "G3D/PrecomputedRandom.h"
-#include "G3D/System.h"
-
-namespace G3D {
-
-PrecomputedRandom::PrecomputedRandom(int dataSize, uint32 seed) : 
- Random((void*)NULL),
- m_hemiUniform(NULL),
- m_sphereBits(NULL),
- m_modMask(dataSize - 1),
- m_freeData(true) {
-
-    alwaysAssertM(isPow2(dataSize), "dataSize must be a power of 2");
-    m_index = seed & m_modMask;
-
-    HemiUniformData* h;
-    SphereBitsData* s;
-    m_hemiUniform = h = (HemiUniformData*) System::malloc(sizeof(HemiUniformData) * dataSize);
-    m_sphereBits = s = (SphereBitsData*) System::malloc(sizeof(SphereBitsData) * dataSize);
-
-    Random r;
-
-    for (int i = 0; i < dataSize; ++i) {
-        h[i].uniform = r.uniform();
-        r.cosHemi(h[i].cosHemiX, h[i].cosHemiY, h[i].cosHemiZ); 
-
-        s[i].bits = r.bits();
-        r.sphere(s[i].sphereX, s[i].sphereY, s[i].sphereZ);         
-    }
-
-}
-
-
-PrecomputedRandom::PrecomputedRandom(const HemiUniformData* data1, const SphereBitsData* data2, int dataSize, uint32 seed) : 
- Random((void*)NULL),
- m_hemiUniform(data1),
- m_sphereBits(data2),
- m_modMask(dataSize - 1),
- m_freeData(false) {
-
-    m_index = seed & m_modMask;
-    alwaysAssertM(isPow2(dataSize), "dataSize must be a power of 2");
-}
-
-
-PrecomputedRandom::~PrecomputedRandom() {
-    if (m_freeData) {
-        System::free(const_cast<HemiUniformData*>(m_hemiUniform));
-        System::free(const_cast<SphereBitsData*>(m_sphereBits));
-    }
-}
-
-float PrecomputedRandom::uniform(float low, float high) {
-    m_index = (m_index + 1) & m_modMask;
-    return low + m_hemiUniform[m_index].uniform * (high - low);
-}
-
-
-float PrecomputedRandom::uniform() {
-    m_index = (m_index + 1) & m_modMask;
-    return m_hemiUniform[m_index].uniform;
-}
-
-
-void PrecomputedRandom::cosHemi(float& x, float& y, float& z) {
-    m_index = (m_index + 1) & m_modMask;
-    x = m_hemiUniform[m_index].cosHemiX;
-    y = m_hemiUniform[m_index].cosHemiY;
-    z = m_hemiUniform[m_index].cosHemiZ;
-}
-
-void PrecomputedRandom::cosPowHemi(const float k, float& x, float& y, float& z) {
-    // Computing a cosPowHemi costs 4 slow functions (pow, sqrt, sin,
-    // cos). We can do it with two, given a cosHemi sample, basically
-    // saving the cost of sin and cos and making a single 128-byte
-    // memory read (for a vector) instead of two (for adjacent uniform
-    // floats).
-
-    // cos^1 distribution sample
-    float cos1;
-    cosHemi(x, y, cos1);
-
-    // Fix the distribution by adjusting the cosine:
-    // rnd(cos^k t) = (rnd(cos(t))^2)^(1/k)
-    
-    // produces cos^k distribution sample
-    z = pow(cos1, 2.0f / (1.0f + k));
-
-    // Rescale x and y by sqrt(1.0f - square(z)) / sqrt(x*x + y*y).
-    // Add a very tiny offset to handle the (almost impossibly unlikely) case where
-    // z = 1 and x^2+y^2 = 0.
-    static const float eps = 0.000001f;
-    const float s = sqrt((1.0f + eps - square(z)) / (square(x) + square(y) + eps));
-
-    x *= s;
-    y *= s;
-}
-
-
-uint32 PrecomputedRandom::bits() {
-    m_index = (m_index + 1) & m_modMask;
-    return m_sphereBits[m_index].bits;
-}
-
-
-void PrecomputedRandom::sphere(float& x, float& y, float& z) {
-    m_index = (m_index + 1) & m_modMask;
-    x = m_sphereBits[m_index].sphereX;
-    y = m_sphereBits[m_index].sphereY;
-    z = m_sphereBits[m_index].sphereZ;
-}
-
-}