/// <summary>
/// Draws a line in screen space.
/// </summary>
/// <param name="color">The color of the line.</param>
/// <param name="start">The start point of the line.</param>
/// <param name="end">The end point of the line.</param>
public void DrawLine2D(Color color, Vector2 start, Vector2 end)
{
var colorOffset = color.ToOffsetColor(Builder);
RenderMessage.StartRenderMessage(Builder);
RenderMessage.AddRenderType(Builder, RenderType.DrawLine2D);
RenderMessage.AddColor(Builder, colorOffset);
RenderMessage.AddStart(Builder, start.ToOffsetVector(Builder));
RenderMessage.AddEnd(Builder, end.ToOffsetVector(Builder));
var finalOffset = RenderMessage.EndRenderMessage(Builder);
_renderMessageOffsets.Add(finalOffset);
}
private void DrawRect3D(Color color, Vector3 position, int width, int height, bool filled, bool centered)
{
var colorOffset = color.ToOffsetColor(Builder);
RenderMessage.StartRenderMessage(Builder);
RenderMessage.AddRenderType(Builder, centered ? RenderType.DrawCenteredRect3D : RenderType.DrawRect3D);
RenderMessage.AddColor(Builder, colorOffset);
RenderMessage.AddStart(Builder, position.ToOffsetVector(Builder));
RenderMessage.AddScaleX(Builder, width);
RenderMessage.AddScaleY(Builder, height);
RenderMessage.AddIsFilled(Builder, filled);
var finalOffset = RenderMessage.EndRenderMessage(Builder);
_renderMessageOffsets.Add(finalOffset);
}
/// <summary>
/// Draws a 2D rectangle in screen space.
/// </summary>
/// <param name="color">The color of the rectangle.</param>
/// <param name="upperLeft">The upper left corner of the rectangle.</param>
/// <param name="width">The width in pixels.</param>
/// <param name="height">The height in pixels</param>
/// <param name="filled">Flag indicating whether the rectangle should be filled in</param>
public void DrawRectangle2D(Color color, Vector2 upperLeft, int width, int height, bool filled)
{
var colorOffset = color.ToOffsetColor(Builder);
RenderMessage.StartRenderMessage(Builder);
RenderMessage.AddRenderType(Builder, RenderType.DrawRect2D);
RenderMessage.AddColor(Builder, colorOffset);
RenderMessage.AddStart(Builder, upperLeft.ToOffsetVector(Builder));
RenderMessage.AddScaleX(Builder, width);
RenderMessage.AddScaleY(Builder, height);
RenderMessage.AddIsFilled(Builder, filled);
var finalOffset = RenderMessage.EndRenderMessage(Builder);
_renderMessageOffsets.Add(finalOffset);
}
/// <summary>
/// Draws text in 2D, but the upper-left corner is at a 3D-tracked position in world space.
/// </summary>
/// <param name="text">The text to draw.</param>
/// <param name="color">The color of the string.</param>
/// <param name="upperLeft">The location of the upper left corner of the text.</param>
/// <param name="scaleX">The multiplier for the width of the text.</param>
/// <param name="scaleY">The multiplier for the height of the text</param>
public void DrawString3D(String text, Color color, Vector3 upperLeft, int scaleX, int scaleY)
{
var colorOffset = color.ToOffsetColor(Builder);
var textOffset = Builder.CreateString(text);
RenderMessage.StartRenderMessage(Builder);
RenderMessage.AddRenderType(Builder, RenderType.DrawString3D);
RenderMessage.AddColor(Builder, colorOffset);
RenderMessage.AddStart(Builder, upperLeft.ToOffsetVector(Builder));
RenderMessage.AddScaleX(Builder, scaleX);
RenderMessage.AddScaleY(Builder, scaleY);
RenderMessage.AddText(Builder, textOffset);
var finalOffset = RenderMessage.EndRenderMessage(Builder);
_renderMessageOffsets.Add(finalOffset);
}
/// <summary>
/// Draws a line joined by several points in world space.
/// </summary>
/// <param name="color">The color of the line.</param>
/// <param name="vectors">The vectors of the line.</param>
public void DrawPolyLine3D(Color color, Vector3[] vectors)
{
if (vectors.Length < 2)
{
throw new ArgumentException("DrawPolyLine3D: vectors array must contain at least 2 vectors!");
}
var colorOffset = color.ToOffsetColor(Builder);
for (int i = 0; i < vectors.Length - 1; i++)
{
RenderMessage.StartRenderMessage(Builder);
RenderMessage.AddRenderType(Builder, RenderType.DrawLine3D);
RenderMessage.AddColor(Builder, colorOffset);
RenderMessage.AddStart(Builder, vectors[i].ToOffsetVector(Builder));
RenderMessage.AddEnd(Builder, vectors[i + 1].ToOffsetVector(Builder));
var finalOffset = RenderMessage.EndRenderMessage(Builder);
_renderMessageOffsets.Add(finalOffset);
}
}
