void LightingDemo::SetHSPointLights( ShaderLightManager& shader_light_mgr, bool random_color )
{
int x = m_NumLightsX;
int z = m_NumLightsZ;
float span_x = 32.0f;
float span_z = 32.0f;
// int num_point_lights = 4;
// for( int i=0; i<num_point_lights; i++ )
float interval_x = (2 <= x) ? span_x / (float)(x-1) : 0.0f;
float interval_z = (2 <= z) ? span_z / (float)(z-1) : 0.0f;
int num_point_lights = z * x;
int light_index = 0;
m_HSPointLights.resize(0);
m_HSPointLights.reserve(x * z);
for( int i=0; i<z; i++ )
{
for( int j=0; j<x; j++ )
{
HemisphericPointLight light;
// light.Attribute.UpperDiffuseColor.SetRGBA( 1.0f, 1.0f, 1.0f, 1.0f );
int color_index = light_index % numof(s_rand_colors);
light_index++;
light.Attribute.UpperDiffuseColor = random_color ? s_rand_colors[color_index] : SFloatRGBAColor::White();
light.Attribute.LowerDiffuseColor.SetRGBA( 0.0f, 0.0f, 0.0f, 1.0f );
light.vPosition = Vector3(
(float)j * interval_x - span_x * 0.5f,
1.0f,
(float)i * interval_z - span_z * 0.5f );
light.fAttenuation[0] = 0.2f;
light.fAttenuation[1] = 0.1f;
light.fAttenuation[2] = 0.1f;
m_HSPointLights.push_back(light);
shader_light_mgr.SetHemisphericPointLight( light );
}
}
}
