public virtual void Draw(Graphics3D graphics) { foreach (var facet in Indices) { for (int i = 0; i < facet.Length; ++i) { var a = new Vertex(Coordinates[facet[i]]); var b = new Vertex(Coordinates[facet[(i + 1) % facet.Length]]); graphics.DrawLine(a, b); } } }
public override void Draw(Graphics3D graphics) { foreach (var facet in Indices) { for (int i = 1; i < facet.Length - 1; ++i) { var a = new Vertex(Coordinates[facet[0]], Color.White, Normals[facet[0]]); var b = new Vertex(Coordinates[facet[i]], Color.White, Normals[facet[i]]); var c = new Vertex(Coordinates[facet[i + 1]], Color.White, Normals[facet[i + 1]]); graphics.DrawTriangle(a, b, c); } if (VirisbleNormals) { for (int i = 0; i < Coordinates.Length; ++i) { var a = new Vertex(Coordinates[i], Color.White, Normals[i]); var b = new Vertex(Coordinates[i] + Normals[i], Color.White, Normals[i]); graphics.DrawLine(a, b); } } } }
public override void Draw(Graphics3D graphics) { bool textureActiveInfo = graphics.IsActiveTexture; graphics.IsActiveTexture = true; var curTexture = graphics.ActiveTexture; graphics.ActiveTexture = texture; foreach (var facet in Indices) { for (int i = 1; i < facet.Length - 1; ++i) { var a = new Vertex(Coordinates[facet[0]], uvCoordinates[facet[0]]); var b = new Vertex(Coordinates[facet[i]], uvCoordinates[facet[i]]); var c = new Vertex(Coordinates[facet[i + 1]], uvCoordinates[facet[i + 1]]); graphics.DrawTriangle(a, b, c); } } graphics.IsActiveTexture = textureActiveInfo; graphics.ActiveTexture = curTexture; }
public override void Draw(Graphics3D graphics) { graphics.DrawPoint(new Vertex(new Vector(0.5, 0.5, 0.5), Color.Yellow)); graphics.DrawLine(new Vertex(new Vector(0.5, 0.5, 0.5), Color.Yellow), new Vertex(new Vector(0, 0, 0), Color.Yellow)); foreach (var facet in Indices) { var verts = facet.Distinct().ToArray(); Vector norm = Normals[verts[0]]; norm = Vector.CrossProduct((Coordinates[facet[0]] - Coordinates[facet[1]]), (Coordinates[facet[1]] - Coordinates[facet[2]])); if (Vector.AngleBet((new Vector(0.5, 0.5, 0.5)), norm) > Math.PI / 2) { for (int i = 0; i < facet.Length; ++i) { var a = new Vertex(Coordinates[facet[i]], Color.White, Normals[facet[i]]); var b = new Vertex(Coordinates[facet[(i + 1) % facet.Length]], Color.White, Normals[facet[(i + 1) % facet.Length]]); graphics.DrawLine(a, b); } } } }