private Vertex[] CreateSquare(Vector3 topLeftCorner, Vector3 topRightCorner, Vector3 bottomLeftCorner, Vector3 bottomRightCorner)
{
Vertex topLeft = new Vertex(topLeftCorner);
Vertex topRight = new Vertex(topRightCorner);
Vertex bottomLeft = new Vertex(bottomLeftCorner);
Vertex bottomRight = new Vertex(bottomRightCorner);
List<Vertex> square = new List<Vertex>(6);
Vertex[] sq1 = new Vertex[] { topLeft, topRight, bottomLeft };
Vertex[] sq2 = new Vertex[] { topRight, bottomRight, bottomLeft };
square.AddRange(CreateTriangle(sq1));
square.AddRange(CreateTriangle(sq2));
return square.ToArray();
}
protected virtual void Regenerate()
{
float t = 0.5f;
float l = -0.5f;
float b = -0.5f;
float r = 0.5f;
Vertex v0 = new Vertex(new Vector3(l, t, 0), new Vector3(0, 1, 0));
v0.TextureCoordinates = new Vector2(1, 0);
Vertex v1 = new Vertex(new Vector3(r, t, 0), new Vector3(0, 1, 0));
v1.TextureCoordinates = new Vector2(0, 0);
Vertex v2 = new Vertex(new Vector3(l, b, 0), new Vector3(0, 1, 0));
v2.TextureCoordinates = new Vector2(1, 1);
Vertex v3 = new Vertex(new Vector3(r, b, 0), new Vector3(0, 1, 0));
v3.TextureCoordinates = new Vector2(0, 1);
this.Vertices.AddRange(new Vertex[] { v2, v1, v0, v2, v3, v1 });
}
public Square(RectangleF bounds)
: base()
{
float t = bounds.Top;
float l = bounds.Left;
float b = bounds.Bottom;
float r = bounds.Right;
Vertex v0 = new Vertex(new Vector3(l, 0, t), new Vector3(0, 1, 0));
v0.TextureCoordinates = new Vector2(1, 0);
Vertex v1 = new Vertex(new Vector3(r, 0, t), new Vector3(0, 1, 0));
v1.TextureCoordinates = new Vector2(0, 0);
Vertex v2 = new Vertex(new Vector3(l, 0, b), new Vector3(0, 1, 0));
v2.TextureCoordinates = new Vector2(1, 1);
Vertex v3 = new Vertex(new Vector3(r, 0, b), new Vector3(0, 1, 0));
v3.TextureCoordinates = new Vector2(0, 1);
this.Vertices.AddRange(new Vertex[] { v2, v1, v0, v2, v3, v1 });
}
public static Vertex[] TransformTriangle(Vertex[] v, Matrix m)
{
Vector3 v0 = Vector3.TransformCoordinate(v[0].Position, m);
Vector3 v1 = Vector3.TransformCoordinate(v[1].Position, m);
Vector3 v2 = Vector3.TransformCoordinate(v[2].Position, m);
Vector3 norm = new Plane(v0, v1, v2).Normal;
return new Vertex[] { new Vertex(v0, v[0].Color, norm), new Vertex(v1, v[1].Color, norm), new Vertex(v2, v[2].Color, norm) };
}
public static Vertex TransformCoordinate(Vertex v, Matrix m)
{
Vector3 pos = Vector3.TransformCoordinate(v.Position, m);
Vector3 norm = Vector3.TransformCoordinate(v.Normal, m);
return new Vertex(pos, v.Color, norm);
}
public static Vertex[] CreateTriangle(Vector3 corner0, Vector3 corner1, Vector3 corner2, Color color)
{
Vector3 norm = new Plane(corner0, corner1, corner2).Normal;
Vertex[] ret = new Vertex[3];
ret[0] = new Vertex(corner0, color, norm);
ret[1] = new Vertex(corner1, color, norm);
ret[2] = new Vertex(corner2, color, norm);
return ret;
}
private Color4 GetColorFromVertex(Vertex vertex)
{
float rScale = 1.0f / (shapeWidth);
float gScale = 1.0f / (shapeHeight);
Color4 col = new Color4(1 - vertex.Position.X * rScale, vertex.Position.Z * gScale, 1.0f);
return col;
}
private Vertex[] CreateTriangle(Vertex[] corners)
{
Vertex[] triangle = new Vertex[3];
Vector3 norm = new Plane(corners[0].Position, corners[1].Position, corners[2].Position).Normal;
for (int i = 0; i < 3; i++)
{
Color4 col = GetColorFromVertex(corners[i]);
Vertex v = new Vertex(new Vector4(corners[i].Position, 1.0f), col, new Vector4(norm, 1.0f));
triangle[i] = v;
}
return triangle;
}
public Shape(Vertex[] vertices)
: this()
{
Vertices = new VertexList(vertices);
}
private Color4 GetColorFromVertex(Vertex vertex)
{
float xScale = 1 / ((nColumnsToRead+1) * horizontalScale);
float yScale = 1 / 1000.0f;
float zScale = 1 / ((nRowsToRead+1) * horizontalScale);
Color4 col = new Color4(1-vertex.Position.X * xScale, vertex.Position.Z * zScale, vertex.Position.Y*yScale);
return col;
}
private Vertex[] CreateSquare(int topLeftHeight, int topRightHeight, int bottomLeftHeight, int bottomRightHeight)
{
float row = (float)(nRowsToRead - currentRow + 1);
float col = (float)currentColumn;
float[] z = new float[] { (row) * horizontalScale, (row+1) * horizontalScale };
float[] x = new float[] { (col) * horizontalScale, (col+1) * horizontalScale };
Vertex topLeft = new Vertex(x[0], (float)topLeftHeight*verticalScale, z[1]);
Vertex topRight = new Vertex(x[1], (float)topRightHeight * verticalScale, z[1]);
Vertex bottomLeft = new Vertex(x[0], (float)bottomLeftHeight * verticalScale, z[0]);
Vertex bottomRight = new Vertex(x[1], (float)bottomRightHeight * verticalScale, z[0]);
List<Vertex> square = new List<Vertex>(6);
Vertex[] sq1 = new Vertex[] { topLeft, topRight, bottomLeft };
Vertex[] sq2 = new Vertex[] { topRight, bottomRight, bottomLeft };
square.AddRange(CreateTriangle(sq1));
square.AddRange(CreateTriangle(sq2));
return square.ToArray();
}
