/// <summary>
/// Create a new Gradient using 4 Colors for each corner.
/// </summary>
/// <param name="width">The width of the gradient.</param>
/// <param name="height">The height of the gradient.</param>
/// <param name="TopLeft">The Color of the top left corner.</param>
/// <param name="TopRight">The Color of the top right corner.</param>
/// <param name="BottomRight">The Color of the bottom right corner.</param>
/// <param name="BottomLeft">The Color of the bottom left corner.</param>
public Gradient(int width, int height, Color TopLeft, Color TopRight, Color BottomRight, Color BottomLeft) {
baseColors.Add(TopLeft);
baseColors.Add(TopRight);
baseColors.Add(BottomRight);
baseColors.Add(BottomLeft);
colors.Add(TopLeft);
colors.Add(TopRight);
colors.Add(BottomRight);
colors.Add(BottomLeft);
Width = width;
Height = height;
}
/// <summary>
/// Creates a rectangle.
/// </summary>
/// <param name="width">The width of the rectangle.</param>
/// <param name="height">The height of the rectangle.</param>
/// <param name="color">The color of the rectangle.</param>
/// <returns>A new image containing the rectangle.</returns>
static public Image CreateRectangle(int width, int height, Color color) {
Image img = new Image(width, height);
img.Color = color;
img.Width = width;
img.Height = height;
img.rectWidth = width;
img.rectHeight = height;
img.isShape = true;
img.Batchable = false; // Cant batch rectangles for now
img.OutlineColor = Color.None;
return img;
}
protected override void UpdateDrawable() {
base.UpdateDrawable();
Color nextColor = ColorA;
Color rowColor = nextColor;
SFMLVertices = new VertexArray(PrimitiveType.Quads);
for (float j = 0; j < Height; j += GridHeight) {
for (float i = 0; i < Width; i += GridWidth) {
var color = new Color(nextColor) * Color;
SFMLVertices.Append(new Vertex(new Vector2f(i, j), color.SFMLColor));
SFMLVertices.Append(new Vertex(new Vector2f(i + GridWidth, j), color.SFMLColor));
SFMLVertices.Append(new Vertex(new Vector2f(i + GridWidth, j + GridHeight), color.SFMLColor));
SFMLVertices.Append(new Vertex(new Vector2f(i, j + GridHeight), color.SFMLColor));
nextColor = nextColor == ColorA ? ColorB : ColorA;
}
rowColor = nextColor = rowColor == ColorA ? ColorB : ColorA;
}
}
/// <summary>
/// Create a new Grid.
/// </summary>
/// <param name="width">The width of the Grid in pixels.</param>
/// <param name="height">The height of the Gird in pixels.</param>
/// <param name="gridWidth">The width of each cell on the Grid.</param>
/// <param name="gridHeight">The height of each cell on the Grid.</param>
/// <param name="colorA">The first Color of the Grid.</param>
/// <param name="colorB">The second Color of the Grid.</param>
public Grid(int width, int height, int gridWidth, int gridHeight, Color colorA, Color colorB = null) {
Width = width;
Height = height;
ColorA = colorA;
if (colorB == null) {
ColorB = colorA.Copy();
ColorB.R -= 0.02f;
ColorB.G -= 0.02f;
ColorB.B -= 0.02f;
}
else {
ColorB = colorB;
}
GridWidth = gridWidth;
GridHeight = gridHeight;
}
protected override void UpdateDrawable() {
base.UpdateDrawable();
SFMLVertices.Clear();
var finalColors = new List<Color>() {
Color.None,
Color.None,
Color.None,
Color.None};
for (int i = 0; i < baseColors.Count; i++) {
finalColors[i] = new Color(baseColors[i]);
finalColors[i].A *= Alpha;
}
SFMLVertices.Append(new Vertex(new Vector2f(0, 0), finalColors[0].SFMLColor));
SFMLVertices.Append(new Vertex(new Vector2f(Width, 0), finalColors[1].SFMLColor));
SFMLVertices.Append(new Vertex(new Vector2f(Width, Height), finalColors[2].SFMLColor));
SFMLVertices.Append(new Vertex(new Vector2f(0, Height), finalColors[3].SFMLColor));
}
/// <summary>
/// Create a circle.
/// </summary>
/// <param name="radius">The radius of the circle.</param>
/// <param name="color">The color of the circle.</param>
/// <returns>A new image containing the circle.</returns>
static public Image CreateCircle(int radius, Color color) {
Image img = new Image();
img.Width = radius * 2;
img.Height = radius * 2;
img.Color = color;
img.radius = radius;
img.OutlineColor = Color.None;
img.isCircle = true;
img.isShape = true;
img.Batchable = false;
return img;
}
/// <summary>
/// Set the Color of a specific position.
/// </summary>
/// <param name="color">The new Color.</param>
/// <param name="position">The position to change the Color on.</param>
public void SetColor(Color color, ColorPosition position) {
colors[(int)position] = color;
NeedsUpdate = true;
}
/// <summary>
/// Draws a line with rounded ends.
/// </summary>
/// <param name="x1">The X position of the first point.</param>
/// <param name="y1">The Y position of the first point.</param>
/// <param name="x2">The X position of the second point.</param>
/// <param name="y2">The Y position of the second point.</param>
/// <param name="color">The color of the line.</param>
/// <param name="thickness">The thickness of the line.</param>
static public void RoundedLine(float x1, float y1, float x2, float y2, Color color, float thickness) {
VertexArray vertices = new VertexArray(PrimitiveType.TrianglesFan);
int rotationSteps = 10;
var line = new Vector2(x2 - x1, y2 - y1);
var normalUp = new Vector2(y1 - y2, x2 - x1);
var normalDown = new Vector2(y2 - y1, x1 - x2);
normalUp.Normalize(thickness * 0.5f);
normalDown.Normalize(thickness * 0.5f);
var nextPoint = new Vector2();
float vx, vy;
vx = x1;
vy = y1;
vertices.Append(new Vertex(new Vector2f(vx, vy), color.SFMLColor));
vx = (float)(x1 + normalUp.X);
vy = (float)(y1 + normalUp.Y);
vertices.Append(new Vertex(new Vector2f(vx, vy), color.SFMLColor));
nextPoint.X = normalUp.X;
nextPoint.Y = normalUp.Y;
for (int i = 0; i < rotationSteps; i++) {
nextPoint = Util.Rotate(nextPoint, -180 / rotationSteps);
vx = (float)(x1 + nextPoint.X);
vy = (float)(y1 + nextPoint.Y);
vertices.Append(new Vertex(new Vector2f(vx, vy), color.SFMLColor));
}
vx = (float)(x1 + normalDown.X);
vy = (float)(y1 + normalDown.Y);
vertices.Append(new Vertex(new Vector2f(vx, vy), color.SFMLColor));
vx = (float)(x2 + normalDown.X);
vy = (float)(y2 + normalDown.Y);
vertices.Append(new Vertex(new Vector2f(vx, vy), color.SFMLColor));
for (int i = 0; i < rotationSteps; i++) {
nextPoint = Util.Rotate(nextPoint, -180 / rotationSteps);
vx = (float)(x2 + nextPoint.X);
vy = (float)(y2 + nextPoint.Y);
vertices.Append(new Vertex(new Vector2f(vx, vy), color.SFMLColor));
}
vx = (float)(x2 + normalUp.X);
vy = (float)(y2 + normalUp.Y);
vertices.Append(new Vertex(new Vector2f(vx, vy), color.SFMLColor));
vx = (float)(x1 + normalUp.X);
vy = (float)(y1 + normalUp.Y);
vertices.Append(new Vertex(new Vector2f(vx, vy), color.SFMLColor));
Drawable(vertices, RenderStates.Default);
}
/// <summary>
/// Draws a line using an OpenGL line.
/// </summary>
/// <param name="x1">The X position of the first point.</param>
/// <param name="y1">The Y position of the first point.</param>
/// <param name="x2">The X position of the second point.</param>
/// <param name="y2">The Y position of the second point.</param>
/// <param name="color">The color of the line.</param>
static public void Line(float x1, float y1, float x2, float y2, Color color) {
VertexArray vertices = new VertexArray(PrimitiveType.Lines);
vertices.Append(new Vertex(new Vector2f(x1, y1), color.SFMLColor));
vertices.Append(new Vertex(new Vector2f(x2, y2), color.SFMLColor));
Drawable(vertices, RenderStates.Default);
}
/// <summary>
/// Draws a rectangle. Recommended to use only for debugging purposes.
/// </summary>
/// <param name="x">The X position of the top left of the rectangle.</param>
/// <param name="y">The Y position of the top left of the rectangle.</param>
/// <param name="width">The width of the rectangle.</param>
/// <param name="height">The height of the rectangle.</param>
/// <param name="fill">The fill color of the rectangle.</param>
/// <param name="outline">The outline color of the rectangle.</param>
/// <param name="outlineThickness">The outline thickness of the rectangle.</param>
static public void Rectangle(float x, float y, float width, float height, Color fill = null, Color outline = null, float outlineThickness = 0) {
tempRect.Size = new Vector2f(width, height);
tempRect.Position = new Vector2f(x, y);
if (outline == null) {
tempRect.OutlineColor = Color.None.SFMLColor;
}
else {
tempRect.OutlineColor = outline.SFMLColor;
}
tempRect.OutlineThickness = outlineThickness;
if (fill == null) {
tempRect.FillColor = Color.White.SFMLColor;
}
else {
tempRect.FillColor = fill.SFMLColor;
}
Target.Draw(tempRect);
}
/// <summary>
/// Draws a circle. Recommended to use only for debugging purposes.
/// </summary>
/// <param name="x">The X position of the top left of the circle.</param>
/// <param name="y">The Y position of the top left of the circle.</param>
/// <param name="radius">The radius of the circle.</param>
/// <param name="color">The fill color of the circle.</param>
static public void Circle(float x, float y, float radius, Color color) {
tempCircle.Radius = radius;
tempCircle.Position = new Vector2f(x, y);
tempCircle.FillColor = color.SFMLColor;
Target.Draw(tempCircle);
}
/// <summary>
/// Draws a circle. Recommended to use only for debugging purposes.
/// </summary>
/// <param name="x">The X position of the top left of the circle.</param>
/// <param name="y">The Y position of the top left of the circle.</param>
/// <param name="radius">The radius of the circle.</param>
/// <param name="fill">The fill color of the circle.</param>
/// <param name="outline">The outline color of the circle.</param>
/// <param name="outlineThickness">The outline thickness of the circle.</param>
static public void Circle(float x, float y, int radius, Color fill = null, Color outline = null, float outlineThickness = 0) {
tempCircle.Radius = radius;
tempCircle.Position = new Vector2f(x, y);
if (fill == null) {
tempCircle.FillColor = Color.White.SFMLColor;
}
else {
tempCircle.FillColor = fill.SFMLColor;
}
tempCircle.OutlineThickness = outlineThickness;
if (outline == null) {
tempCircle.OutlineColor = Color.None.SFMLColor;
}
else {
tempCircle.OutlineColor = outline.SFMLColor;
}
Target.Draw(tempCircle);
}
protected void Append(float x, float y, Color color = null) {
SFMLVertices.Append(x, y, color);
}
protected void Append(float x, float y, Color color, float u, float v) {
SFMLVertices.Append(x, y, color, u, v);
}
/// <summary>
/// Creates a rectangle the size of the active Game window.
/// </summary>
/// <param name="color">The color of the rectangle.</param>
/// <returns>A new image containing the rectangle.</returns>
static public Image CreateRectangle(Color color) {
int w = Game.Instance.Width;
int h = Game.Instance.Height;
return Image.CreateRectangle(w, h, color);
}
/// <summary>
/// Creates a rectangle.
/// </summary>
/// <param name="size">The width and height of the rectangle.</param>
/// <param name="color">The color of the rectangle.</param>
/// <returns>A new image containing the rectangle.</returns>
static public Image CreateRectangle(int size, Color color) {
return CreateRectangle(size, size, color);
}
/// <summary>
/// Draws a line with a thickness using a quad.
/// </summary>
/// <param name="x1">The X position of the first point.</param>
/// <param name="y1">The Y position of the first point.</param>
/// <param name="x2">The X position of the second point.</param>
/// <param name="y2">The Y position of the second point.</param>
/// <param name="color">The color of the line.</param>
/// <param name="thickness">The thickness of the line.</param>
static public void Line(float x1, float y1, float x2, float y2, Color color, float thickness) {
VertexArray vertices = new VertexArray(PrimitiveType.Quads);
var line = new Vector2(x2 - x1, y2 - y1);
var normalUp = new Vector2(y1 - y2, x2 - x1);
var normalDown = new Vector2(y2 - y1, x1 - x2);
normalUp.Normalize(thickness * 0.5f);
normalDown.Normalize(thickness * 0.5f);
float vx, vy;
vx = (float)(x1 + normalUp.X);
vy = (float)(y1 + normalUp.Y);
vertices.Append(new Vertex(new Vector2f(vx, vy), color.SFMLColor));
vx = (float)(x1 + normalDown.X);
vy = (float)(y1 + normalDown.Y);
vertices.Append(new Vertex(new Vector2f(vx, vy), color.SFMLColor));
vx = (float)(x2 + normalDown.X);
vy = (float)(y2 + normalDown.Y);
vertices.Append(new Vertex(new Vector2f(vx, vy), color.SFMLColor));
vx = (float)(x2 + normalUp.X);
vy = (float)(y2 + normalUp.Y);
vertices.Append(new Vertex(new Vector2f(vx, vy), color.SFMLColor));
Drawable(vertices, RenderStates.Default);
}
