protected void DrawSelectionMarkers(Canvas canvas, IEnumerable<ObjectEditorSelObj> obj)
{
// Determine turned Camera axes for angle-independent drawing
Vector2 catDotX, catDotY;
float camAngle = this.CameraObj.Transform.Angle;
MathF.GetTransformDotVec(camAngle, out catDotX, out catDotY);
Vector3 right = new Vector3(1.0f, 0.0f, 0.0f);
Vector3 down = new Vector3(0.0f, 1.0f, 0.0f);
MathF.TransformDotVec(ref right, ref catDotX, ref catDotY);
MathF.TransformDotVec(ref down, ref catDotX, ref catDotY);
canvas.PushState();
canvas.State.ZOffset = -1.0f;
foreach (ObjectEditorSelObj selObj in obj)
{
if (!selObj.HasTransform) continue;
Vector3 posTemp = selObj.Pos;
float scaleTemp = 1.0f;
float radTemp = selObj.BoundRadius;
if (!canvas.DrawDevice.IsCoordInView(posTemp, radTemp)) continue;
// Draw selection marker
if (selObj.ShowPos)
{
canvas.DrawDevice.PreprocessCoords(ref posTemp, ref scaleTemp);
posTemp.Z = 0.0f;
{
ColorRgba color = canvas.State.ColorTint * canvas.State.Material.MainColor;
VertexC1P3[] vertices = new VertexC1P3[4];
vertices[0].Pos = posTemp - right * 5.0f;
vertices[1].Pos = posTemp + right * 5.0f;
vertices[2].Pos = posTemp - down * 5.0f;
vertices[3].Pos = posTemp + down * 5.0f;
vertices[0].Color = color;
vertices[1].Color = color;
vertices[2].Color = color;
vertices[3].Color = color;
canvas.DrawDevice.AddVertices(canvas.State.Material, VertexMode.Lines, vertices);
}
}
// Draw angle marker
if (selObj.ShowAngle)
{
posTemp = selObj.Pos +
radTemp * right * MathF.Sin(selObj.Angle - camAngle) -
radTemp * down * MathF.Cos(selObj.Angle - camAngle);
canvas.DrawLine(selObj.Pos.X, selObj.Pos.Y, selObj.Pos.Z, posTemp.X, posTemp.Y, posTemp.Z);
}
// Draw boundary
if (selObj.ShowBoundRadius && radTemp > 0.0f)
canvas.DrawCircle(selObj.Pos.X, selObj.Pos.Y, selObj.Pos.Z, radTemp);
}
canvas.PopState();
}
private void DrawHorizontalGraph(Canvas canvas, float[] values, ColorRgba[] colors, ref VertexC1P3[] vertices, float x, float y, float w, float h)
{
if (h > 0.0f) h--;
if (h < 0.0f) h++;
IDrawDevice device = canvas.DrawDevice;
ColorRgba baseColor = canvas.State.ColorTint * canvas.State.MaterialDirect.MainColor;
float sampleXRatio = w / (float)(values.Length - 1);
if (vertices == null)
vertices = new VertexC1P3[MathF.Max(values.Length, 16)];
else if (vertices.Length < values.Length)
vertices = new VertexC1P3[MathF.Max(vertices.Length * 2, values.Length, 16)];
for (int i = 0; i < values.Length; i++)
{
vertices[i].Pos.X = x + 0.5f + i * sampleXRatio;
vertices[i].Pos.Y = y + 0.5f + (1.0f - values[i]) * h;
vertices[i].Pos.Z = 0.0f;
vertices[i].Color = baseColor * colors[i];
}
device.AddVertices(canvas.State.MaterialDirect, VertexMode.LineStrip, vertices, values.Length);
}
protected internal override void OnCollectDrawcalls(Canvas canvas)
{
base.OnCollectDrawcalls(canvas);
IDrawDevice device = canvas.DrawDevice;
float scaleTemp = 1.0f;
Vector3 posTemp = Vector3.Zero;
device.PreprocessCoords(ref posTemp, ref scaleTemp);
if (posTemp.Z <= canvas.DrawDevice.NearZ) return;
float alphaTemp = 0.5f;
alphaTemp *= (float)Math.Min(1.0d, ((posTemp.Z - device.NearZ) / (device.NearZ * 5.0f)));
if (alphaTemp <= 0.005f) return;
float stepTemp = 4.0f * this.gridSize * MathF.Max(0.25f, MathF.Pow(2.0f, -MathF.Round(1.0f - MathF.Log(1.0f / scaleTemp, 2.0f))));
float scaledStep = stepTemp * scaleTemp;
float viewBoundRad = device.TargetSize.Length * 0.5f;
int lineCount = (2 + (int)MathF.Ceiling(viewBoundRad * 2 / scaledStep)) * 4;
ColorRgba gridColor = this.FgColor.WithAlpha(alphaTemp);
VertexC1P3[] vertices = new VertexC1P3[lineCount * 4];
float beginPos;
float pos;
int lineIndex;
int vertOff = 0;
beginPos = posTemp.X % scaledStep - (lineCount / 8) * scaledStep;
pos = beginPos;
lineIndex = 0;
for (int x = 0; x < lineCount; x++)
{
bool primaryLine = lineIndex % 4 == 0;
bool secondaryLine = lineIndex % 4 == 2;
vertices[vertOff + x * 2 + 0].Color = primaryLine ? gridColor : gridColor.WithAlpha(alphaTemp * (secondaryLine ? 0.5f : 0.25f));
vertices[vertOff + x * 2 + 0].Pos.X = pos;
vertices[vertOff + x * 2 + 0].Pos.Y = -viewBoundRad;
vertices[vertOff + x * 2 + 0].Pos.Z = posTemp.Z + 1;
vertices[vertOff + x * 2 + 1] = vertices[vertOff + x * 2 + 0];
vertices[vertOff + x * 2 + 1].Pos.Y = viewBoundRad;
pos += scaledStep / 4;
lineIndex++;
}
vertOff += lineCount * 2;
beginPos = posTemp.Y % scaledStep - (lineCount / 8) * scaledStep;
pos = beginPos;
lineIndex = 0;
for (int y = 0; y < lineCount; y++)
{
bool primaryLine = lineIndex % 4 == 0;
bool secondaryLine = lineIndex % 4 == 2;
vertices[vertOff + y * 2 + 0].Color = primaryLine ? gridColor : gridColor.WithAlpha(alphaTemp * (secondaryLine ? 0.5f : 0.25f));
vertices[vertOff + y * 2 + 0].Pos.X = -viewBoundRad;
vertices[vertOff + y * 2 + 0].Pos.Y = pos;
vertices[vertOff + y * 2 + 0].Pos.Z = posTemp.Z + 1;
vertices[vertOff + y * 2 + 1] = vertices[vertOff + y * 2 + 0];
vertices[vertOff + y * 2 + 1].Pos.X = viewBoundRad;
pos += scaledStep / 4;
lineIndex++;
}
vertOff += lineCount * 2;
device.AddVertices(new BatchInfo(DrawTechnique.Alpha, ColorRgba.White), VertexMode.Lines, vertices);
}