public void DrawTriangle(TextureBuffer target, Matrix4 transformationMatrix, ref int[,] zbuffer)
{
VertexParam[] transformedCoords = new VertexParam[vertices.Length];
for (int vertexNum = 0; vertexNum < vertices.Length; vertexNum++)
{
transformedCoords[vertexNum] = vertices[vertexNum].position.Transform(transformationMatrix, 1);
}
target.DrawTriangle(transformedCoords[0], transformedCoords[1], transformedCoords[2], vertices[0].texture, vertices[1].texture, vertices[2].texture, ref zbuffer);
}
private Point3F ConvertToRange(VertexParam coordinate)
{
Point3F point;
point.x = width / 2 + coordinate.values[0] * width;
point.y = height / 2 + coordinate.values[1] * height;
point.z = height / 2 + coordinate.values[2] * height;
return(point);
}
public void DrawTriangle(VertexParam coordinate1, VertexParam coordinate2, VertexParam coordinate3, VertexParam point1texture, VertexParam point2texture, VertexParam point3texture, ref int[,] zbuffer)
{
Point3F point1 = ConvertToRange(coordinate1);
Point3F point2 = ConvertToRange(coordinate2);
Point3F point3 = ConvertToRange(coordinate3);
int x0 = (int)Math.Floor(Math.Min(point1.x, Math.Min(point2.x, point3.x)));
int x1 = (int)Math.Ceiling(Math.Max(point1.x, Math.Max(point2.x, point3.x)));
int y0 = (int)Math.Floor(Math.Min(point1.y, Math.Min(point2.y, point3.y)));
int y1 = (int)Math.Ceiling(Math.Max(point1.y, Math.Max(point2.y, point3.y)));
float[,] convertedTextureCoordinates = new float[3, 2];
VertexParam[] verticesTextures = new VertexParam[3];
verticesTextures[0] = point1texture;
verticesTextures[1] = point2texture;
verticesTextures[2] = point3texture;
convertedTextureCoordinates = ConvertToTexture(verticesTextures);
if ((x1 > width && y1 > height && x0 > height && y0 > height) || (x0 < 0 && x1 < 0 && y0 < 0 && y1 < 0))
{
return; // Проверка выхода прямоугольника за пределы рисуемого объекта
}
else
{
x0 = x0 < 0 ? 0 : x0; // Проверка частичного выхода прямоугольника за пределы рисуемого объекта (и исправление)
y0 = y0 < 0 ? 0 : y0;
x1 = x1 > width ? width : x1;
y1 = y1 > height ? height : y1;
for (int x = x0; x < x1; x++)
{
for (int y = y0; y < y1; y++)
{
DrawPixel(x, y, point1, point2, point3, convertedTextureCoordinates, ref zbuffer[x, y]);
}
}
}
}
public VertexParam normal; // нормально
public Vertex(VertexParam position, VertexParam texture, VertexParam normal)
{
this.position = position;
this.texture = texture;
this.normal = normal;
}
