Exemplos de normalize2 em C++ (Cpp)

Exemplo n.º 1

Arquivo: llperlin.cpp Projeto: AlexRa/Kirstens-clone

void LLPerlinNoise::init(void)
{
	int i, j, k;

	for (i = 0 ; i < B ; i++)
	{
		p[i] = i;

		g1[i] = (F32)((rand() % (B + B)) - B) / B;

		for (j = 0 ; j < 2 ; j++)
			g2[i][j] = (F32)((rand() % (B + B)) - B) / B;
		normalize2(g2[i]);

		for (j = 0 ; j < 3 ; j++)
			g3[i][j] = (F32)((rand() % (B + B)) - B) / B;
		normalize3(g3[i]);
	}

	while (--i)
	{
		k = p[i];
		p[i] = p[j = rand() % B];
		p[j] = k;
	}

	for (i = 0 ; i < B + 2 ; i++)
	{
		p[B + i] = p[i];
		g1[B + i] = g1[i];
		for (j = 0 ; j < 2 ; j++)
			g2[B + i][j] = g2[i][j];
		for (j = 0 ; j < 3 ; j++)
			g3[B + i][j] = g3[i][j];
	}

	sInitialized = true;
}

Exemplo n.º 2

Arquivo: Noise.cpp Projeto: dfelinto/blender

Noise::Noise(long seed)
{
  /* Use Blender RNG for repeatable results across platforms. */
  RNG *rng = BLI_rng_new(seed);
  int i, j, k;

  for (i = 0; i < _NOISE_B; i++) {
    p[i] = i;
    g1[i] = (float)((BLI_rng_get_int(rng) % (_NOISE_B + _NOISE_B)) - _NOISE_B) / _NOISE_B;

    for (j = 0; j < 2; j++)
      g2[i][j] = (float)((BLI_rng_get_int(rng) % (_NOISE_B + _NOISE_B)) - _NOISE_B) / _NOISE_B;
    normalize2(g2[i]);

    for (j = 0; j < 3; j++)
      g3[i][j] = (float)((BLI_rng_get_int(rng) % (_NOISE_B + _NOISE_B)) - _NOISE_B) / _NOISE_B;
    normalize3(g3[i]);
  }

  while (--i) {
    k = p[i];
    p[i] = p[j = BLI_rng_get_int(rng) % _NOISE_B];
    p[j] = k;
  }

  for (i = 0; i < _NOISE_B + 2; i++) {
    p[_NOISE_B + i] = p[i];
    g1[_NOISE_B + i] = g1[i];

    for (j = 0; j < 2; j++)
      g2[_NOISE_B + i][j] = g2[i][j];

    for (j = 0; j < 3; j++)
      g3[_NOISE_B + i][j] = g3[i][j];
  }

  BLI_rng_free(rng);
}

Exemplo n.º 3

Arquivo: Noise3DTexture.c Projeto: AdamDiment/CocoaSampleCode

void initNoise()
{
	int i, j, k;

	srand(30757);
	for (i = 0; i < B; i++)
	{
		p[i] = i;
		g1[i] = (double)((rand() % (B + B)) - B) / B;

		for (j = 0; j < 2; j++)
			g2[i][j] = (double)((rand() % (B + B)) - B) / B;
		normalize2(g2[i]);

		for (j = 0; j < 3; j++)
			g3[i][j] = (double)((rand() % (B + B)) - B) / B;
		normalize3(g3[i]);
	}

	while (--i)
	{
		k = p[i];
		p[i] = p[j = rand() % B];
		p[j] = k;
	}

	for (i = 0; i < B + 2; i++)
	{
		p[B + i] = p[i];
		g1[B + i] = g1[i];
		for (j = 0; j < 2; j++)
			g2[B + i][j] = g2[i][j];
		for (j = 0; j < 3; j++)
			g3[B + i][j] = g3[i][j];
	}
}

Exemplo n.º 4

Arquivo: noise.cpp Projeto: barakianc/CS174C_PhysicsAnimation

static void init(void)
{
  int i, j, k;
  
  // set the SEED
  srand(1234);

  for (i = 0 ; i < B ; i++) {
    p[i] = i;
    
    g1[i] = (double)((myRandomLI() % (B + B)) - B) / B;
    
    for (j = 0 ; j < 2 ; j++)
      g2[i][j] = (double)((myRandomLI() % (B + B)) - B) / B;
      normalize2(g2[i]);
      
      for (j = 0 ; j < 3 ; j++)
	g3[i][j] = (double)((myRandomLI() % (B + B)) - B) / B;
	normalize3(g3[i]);
  }
  
  while (--i) {
    k = p[i];
    p[i] = p[j = myRandomLI() % B];
    p[j] = k;
  }
  
  for (i = 0 ; i < B + 2 ; i++) {
    p[B + i] = p[i];
    g1[B + i] = g1[i];
    for (j = 0 ; j < 2 ; j++)
      g2[B + i][j] = g2[i][j];
    for (j = 0 ; j < 3 ; j++)
      g3[B + i][j] = g3[i][j];
  }
}