public override void Rotate(float angle, Axis axis)
{
Pivot.Rotate(angle, axis);
GlobalVertices = LocalVertices.Select(v => Pivot.ToGlobalCoords(v)).ToArray();
OnRotateEvent(angle, axis);
if (Enviroment != null)
{
Enviroment.OnChangeEvent();
}
}
public Function(Vector3 center, Func <float, float, float> f, float xstart, float ystart, float xend, float yend, float step)
{
Pivot = Pivot.BasePivot(center);
int width = (int)((xend - xstart) / step);
int height = (int)((yend - ystart) / step);
int len = width * height;
LocalVertices = new Vector3[len];
GlobalVertices = new Vector3[len];
Indexes = new int[width * height * 6];
NormalIndexes = new int[width * height * 6];
Normals = new Vector3[width * height];
float x = xstart, y = ystart;
for (int i = 0; i < width; i++)
{
y = ystart;
for (int g = 0; g < height; g++)
{
int ind = g * width + i;
var local = LocalVertices[ind] = new Vector3(x, y, f.Invoke(x, y));
GlobalVertices[ind] = Pivot.ToGlobalCoords(local);
y += step;
}
x += step;
}
for (int i = 0; i < width - 1; i++)
{
for (int g = 0; g < height - 1; g++)
{
int k = (i * height + g) * 6;
int i1 = Indexes[k] = i * height + g;
int i2 = Indexes[k + 1] = i * height + g + 1;
int i3 = Indexes[k + 2] = (i + 1) * height + g;
int i4 = Indexes[k + 3] = i * height + g + 1;
int i5 = Indexes[k + 4] = (i + 1) * height + g + 1;
int i6 = Indexes[k + 5] = (i + 1) * height + g;
var normal = VectorMath.GetNormal(GlobalVertices[i4], GlobalVertices[i5], GlobalVertices[i6]);
Normals[i * height + g] = normal;
NormalIndexes[(i * height + g) * 6] =
NormalIndexes[(i * height + g) * 6 + 1] =
NormalIndexes[(i * height + g) * 6 + 2] =
NormalIndexes[(i * height + g) * 6 + 3] =
NormalIndexes[(i * height + g) * 6 + 4] =
NormalIndexes[(i * height + g) * 6 + 5] = i * height + 1;
}
}
}
public Model(Vector3[] vertices, Vector2[] texCoords, Vector3[] normals, int[] indexes, int[] texCoordsIndexes, int[] normalIndexes, FastBitmap texture)
{
Pivot = Pivot.BasePivot(Vector3.Zero);
LocalVertices = vertices;
GlobalVertices = vertices.Select(v => Pivot.ToGlobalCoords(v)).ToArray();
TextureCoords = texCoords;
Normals = normals;
Indexes = indexes;
TextureCoordsIndexes = texCoordsIndexes;
NormalIndexes = normalIndexes;
Texture = texture;
}
public void RotateAt(Vector3 point, float angle, Axis axis)
{
Pivot.RotateAt(point, angle, axis);
GlobalVertices = LocalVertices.Select(v => Pivot.ToGlobalCoords(v)).ToArray();
}
public void Scale(float k)
{
LocalVertices = LocalVertices.Select(v => v * k).ToArray();
GlobalVertices = LocalVertices.Select(v => Pivot.ToGlobalCoords(v)).ToArray();
}
