/// <summary>
/// <para>Produces vertices for a UVSphere mesh.</para>
/// Increasing the segments horizontally or vertically will increase the resolution of the mesh.
/// </summary>
/// <param name="radius">Radius of sphere to base mesh on</param>
/// <param name="horizontalSegments">Number of times to divide sphere horizontally.</param>
/// <param name="verticalSegments">Number of times to divide sphere vertically.</param>
/// <returns></returns>
public List <Vector3> GetSphereVectors(float radius, float horizontalSegments, float verticalSegments)
{
List <Vector3> coords = new List <Vector3>();
for (var i = 1; i <= horizontalSegments; i++)
{
// Move down by (Math.PI / 2) to orient the semi-circle correctly
var parallel = (Math.PI * i / (horizontalSegments + 1)) - Math.PI / 2;
for (var j = 0; j < verticalSegments; j++)
{
var meridian = 2.0 * Math.PI * (j + 1) / verticalSegments;
coords.Add(ShapeHelpers.SphereCoordsToWorldCoords(radius, meridian, parallel));
}
}
var things = "";
foreach (var co in coords)
{
things += $" = ({co.X}, {co.Y}, {co.Z})\n";
}
return(coords);
}
/// <summary>
/// <para>Rotates all vertices in the mesh, from the origin, by the given rotation vector in degrees.</para>
/// <para>This is useful for rotating an object before placing it in a ShapeGroup.</para>
/// For camera rotation, use RotateCamera(rotationVector).
/// </summary>
public void RotateVerticesAboutOrigin(Vector3 rotationVectorDegrees)
{
foreach (var face in Faces)
{
for (var i = 0; i < face.VerticeCount; i++)
{
face.Composition[i].Position =
Vector3.Transform(
face.Composition[i].Position,
Quaternion.CreateFromAxisAngle(new Vector3(1, 0, 0), (float)rotationVectorDegrees.X.ToRadians()));
face.Composition[i].Position =
Vector3.Transform(
face.Composition[i].Position,
Quaternion.CreateFromAxisAngle(new Vector3(0, 1, 0), (float)rotationVectorDegrees.Y.ToRadians()));
face.Composition[i].Position =
Vector3.Transform(
face.Composition[i].Position,
Quaternion.CreateFromAxisAngle(new Vector3(0, 0, 1), (float)rotationVectorDegrees.Z.ToRadians()));
if ((i + 1) % 3 == 0 && i != face.VerticeCount - 1)
{
var newNormal = ShapeHelpers.GetNormal(
face.Composition[i].Position,
face.Composition[i + 1].Position,
face.Composition[i + 2].Position);
face.Composition[i].Normal = newNormal;
face.Composition[i + 1].Normal = newNormal;
face.Composition[i + 2].Normal = newNormal;
}
}
}
}
public FaceTriangle(
Vector3 top,
Vector3 bottomLeft,
Vector3 bottomRight)
{
VerticeCount = 3;
PolygonCount = 1;
Composition = new VertexPositionNormalTexture[VerticeCount];
var normal = ShapeHelpers.GetNormal(top, bottomLeft, bottomRight);
Composition[0] = new VertexPositionNormalTexture(top, normal, new Vector2(0.5f, 0));
Composition[1] = new VertexPositionNormalTexture(bottomLeft, normal, new Vector2(0, 1));
Composition[2] = new VertexPositionNormalTexture(bottomRight, normal, new Vector2(1, 1));
}
private Dictionary <int, CircleShape> Buttons()
{
Dictionary <int, CircleShape> buttons = new Dictionary <int, CircleShape>();
//On the screen of selection character :
// Add the button "Back to Menu"
buttons.Add(0, ShapeHelpers.RedCircleShape(78f, 6, new Vector2f(19f, 915f), Color.Cyan));
// Add the button "Random Character"
buttons.Add(1, ShapeHelpers.RedCircleShape(78f, 6, new Vector2f(312f, 915f), Color.Cyan));
// Add the button "Next" to go to selection stage screen
buttons.Add(2, ShapeHelpers.RedCircleShape(78f, 6, new Vector2f(1766f, 923f), Color.Cyan));
return(buttons);
}
protected override void InternalDraw(SpriteBatch spriteBatch)
{
var show = Selected && DateTime.Now.Millisecond % 1000 < 500;
_nineSlice.DrawRectangle(spriteBatch, Bounds, 3f);
if (Selected)
{
ShapeHelpers.DrawRectangle(spriteBatch, Bounds, Color.Green);
}
var tempText = show ? Value.Insert(Value.Length, "|") : Value;
spriteBatch.DrawString(_font, tempText,
new Vector2(Bounds.Left + 10, Bounds.Center.Y - _font.MeasureString(tempText).Y / 2f), Color.Black);
}
public FaceSquare(
Vector3 topLeft,
Vector3 topRight,
Vector3 bottomLeft,
Vector3 bottomRight)
{
VerticeCount = 6;
PolygonCount = 2;
Composition = new VertexPositionNormalTexture[VerticeCount];
var normal = ShapeHelpers.GetNormal(topLeft, topRight, bottomLeft);
// Squares are made of two triangles. This makes it easier to process
Composition[0] = new VertexPositionNormalTexture(topLeft, normal, new Vector2(0, 0));
Composition[1] = new VertexPositionNormalTexture(topRight, normal, new Vector2(1, 0));
Composition[2] = new VertexPositionNormalTexture(bottomLeft, normal, new Vector2(0, 1));
normal = ShapeHelpers.GetNormal(bottomLeft, topRight, bottomRight);
Composition[3] = new VertexPositionNormalTexture(bottomLeft, normal, new Vector2(0, 1));
Composition[4] = new VertexPositionNormalTexture(topRight, normal, new Vector2(1, 0));
Composition[5] = new VertexPositionNormalTexture(bottomRight, normal, new Vector2(1, 1));
}
public void FillRoundedRectangle(NoForms.Common.Rectangle rect, float radX, float radY, UBrush brush)
{
var rr = ShapeHelpers.RoundedRectangle(rect, radX, radY);
realRenderer.graphics.FillPath(CreateBrush(brush), rr);
}
public void DrawRoundedRectangle(NoForms.Common.Rectangle rect, float radX, float radY, UBrush brush, UStroke stroke)
{
var rr = ShapeHelpers.RoundedRectangle(rect, radX, radY);
realRenderer.graphics.DrawPath(CreatePen(brush, stroke), rr);
}
public override void DrawDebug(SpriteBatch spriteBatch) => ShapeHelpers.DrawRectangle(spriteBatch, Bounds, Color.Red);
public override void DrawDebug(SpriteBatch spriteBatch)
{
ShapeHelpers.DrawRectangle(spriteBatch, new Rectangle((int)_position.X, (int)_position.Y, _width, 10),
Color.Red);
}