public Renderer(VariableSet variables, Drawable drawable) :
base(variables)
{
_drawable = drawable;
const double lensAngle = 70.0;
const double earthRadius = 6375.0;
var amplitudes = new double[] { 1.0, 0.5, 0.25, 0.125, 0.0625,
0.03125, 0.05, 0.05, 0.04, 0.0300 };
_width = drawable.Width;
_height = drawable.Height;
_clouds = new Perlin3D(10, 16.0, amplitudes,
(int)GetValue <UInt32>("seed"));
_cameraDistance = _width * 0.5 / Math.Tan(lensAngle * Math.PI / 180.0);
_intSunX = (int)Math.Round((_width - 1) * GetValue <double>("sun_x"));
_intSunY = (int)Math.Round((_height - 1) * GetValue <double>("sun_y"));
_horizonColor2 = FromScreen("horizon_color");
_skyColor2 = FromScreen("sky_color");
_sunColor2 = FromScreen("sun_color");
_cloudColor2 = FromScreen("cloud_color");
_shadowColor2 = FromScreen("shadow_color");
var tilt = new TMatrix(GetValue <double>("tilt"), 1);
var rotation = new TMatrix(GetValue <double>("rotation"), 2);
_transform = TMatrix.Combine(tilt, rotation);
_cameraLocation = new Vector3(0.0, earthRadius + 0.2, 0.0);
}
public Renderer(VariableSet variables, Drawable drawable)
: base(variables)
{
_drawable = drawable;
const double lensAngle = 70.0;
const double earthRadius = 6375.0;
var amplitudes = new double[]{1.0, 0.5, 0.25, 0.125, 0.0625,
0.03125, 0.05, 0.05, 0.04, 0.0300};
_width = drawable.Width;
_height = drawable.Height;
_clouds = new Perlin3D(10, 16.0, amplitudes,
(int) GetValue<UInt32>("seed"));
_cameraDistance = _width * 0.5 / Math.Tan(lensAngle * Math.PI / 180.0);
_intSunX = (int) Math.Round((_width - 1) * GetValue<double>("sun_x"));
_intSunY = (int) Math.Round((_height - 1) * GetValue<double>("sun_y"));
_horizonColor2 = FromScreen("horizon_color");
_skyColor2 = FromScreen("sky_color");
_sunColor2 = FromScreen("sun_color");
_cloudColor2 = FromScreen("cloud_color");
_shadowColor2 = FromScreen("shadow_color");
var tilt = new TMatrix(GetValue<double>("tilt"), 1);
var rotation = new TMatrix(GetValue<double>("rotation"), 2);
_transform = TMatrix.Combine(tilt, rotation);
_cameraLocation = new Vector3(0.0, earthRadius + 0.2, 0.0);
}
static public TMatrix Combine(TMatrix in1, TMatrix in2)
{
var result = Multiply(in1, in2);
for (int i = 0; i < 3; i++)
{
result[i, 3] = in1[i, 3] + in2[i, 3];
}
return(result);
}
public static TMatrix Combine(TMatrix in1, TMatrix in2)
{
var result = Multiply(in1, in2);
for (int i = 0; i < 3; i++)
{
result[i, 3] = in1[i, 3] + in2[i, 3];
}
return result;
}
static public TMatrix Multiply(TMatrix in1, TMatrix in2)
{
var result = new TMatrix();
for (int i = 0; i < 4; i++)
{
for (int j = 0; j < 4; j++)
{
double sum = 0.0;
for (int k = 0; k < 4; k++)
{
sum += in1[i, k] * in2[k, j];
}
result[i, j] = sum;
}
}
return(result);
}
public static TMatrix Multiply(TMatrix in1, TMatrix in2)
{
var result = new TMatrix();
for (int i = 0; i < 4; i++)
{
for (int j = 0; j < 4; j++)
{
double sum = 0.0;
for (int k = 0; k < 4; k++)
{
sum += in1[i, k] * in2[k, j];
}
result[i, j] = sum;
}
}
return result;
}
