private int GetElementCount(int time, bool transparent)
{
List <DebugRenderTriangleIndexMarker> triangleMarkers = transparent ? transparentTriangleMarkers : opaqueTriangleMarkers;
int indexElementCount = 0;
DebugRenderTriangleIndexMarker searchItem = new DebugRenderTriangleIndexMarker(0, time);
int index = triangleMarkers.BinarySearch(searchItem);
if (index < 0)
{
index = ~index;
}
index = triangleMarkers.Count > 0 ? SMath.Clamp(index, 0, triangleMarkers.Count - 1) : index;
if (index < triangleMarkers.Count)
{
while (index > 0 && triangleMarkers[index].time > time)
{
// Not exact match but the next one -> Decrease index by one to have only the range that counts up for the requested time
index--;
}
if (index < triangleMarkers.Count && triangleMarkers[index].time <= time)
{
indexElementCount = triangleMarkers[index].index + 1;
}
}
return(indexElementCount);
}
public BBox ShrinkAbsoluteBorder(Vector2d amount)
{
var dx = SMath.Clamp(amount.X, 0, 0.5 * Dx);
var dy = SMath.Clamp(amount.Y, 0.0, 0.5 * Dy);
return(new BBox(X0 + dx, Y0 + dy, X1 + dx, Y1 + dy));
}
// OPT: This could prolly be more efficient.
// But a core i5 handles 50k particles without much sweat, so, no sweat.
public void Update(double dt, ParticleGroup group)
{
var fdt = (float)dt;
var particles = group.Particles;
// We iterate downwards through the list so if we remove a particle we don't
// reorder anything we haven't already updated.
for (int i = particles.Count - 1; i > -1; i--)
{
var p = particles[i];
if (scaleWithTime)
{
p.Scale += (deltaScale * fdt);
p.Scale = (float)SMath.Clamp(p.Scale, 0.1, 5);
}
if (changeColorWithTime)
{
doColorFade(ref p, group.colorFader, fdt);
//group.colorFader.setColor(ref p);
}
doMovement(ref p, dt);
particles[i] = p;
if (p.Life < 0)
{
group.Remove(i);
}
}
}
private void CreateMesh()
{
double height = 0.5;
double radius = 0.5;
Segments = SMath.Clamp(Segments, 3, 256);
VertexList = new VertexNormalColor[Segments * (CreateCaps ? 2 : 1) + 1];
IndexList = new uint[Segments * 3 + (CreateCaps ? (Segments - 2) * 3 : 0)];
// Create vertices
VertexList[0].Position = new Vector3(0, 0, height);
for (int i = 0; i < Segments; i++)
{
double angle = ((double)i / (double)Segments) * Math.PI * 2.0;
Vector2 planarCoordinate = Vector2.FromAngle(angle, radius);
VertexList[i + 1].Position = new Vector3(planarCoordinate.X, planarCoordinate.Y, -height);
if (CreateCaps)
{
// Top (for cap)
VertexList[i + Segments + 1].Position = new Vector3(planarCoordinate.X, planarCoordinate.Y, -height);
}
}
// Create normals
Vector3 capNormal = CreateCaps ? GeometryMath.GetTriangleNormal(VertexList[1].Position, VertexList[2].Position, VertexList[3].Position) : new Vector3(0, 0, 0);
for (int i = 0; i < Segments; i++)
{
Vector3 manifoldNormal = GeometryMath.GetTriangleNormal(VertexList[0].Position, VertexList[(i + 1) % Segments + 1].Position, VertexList[i + 1].Position);
VertexList[i + 1].Normal = manifoldNormal;
if (CreateCaps)
{
VertexList[Segments + i + 1].Normal = capNormal;
}
}
// Create triangles
int index = 0;
for (int i = 0; i < Segments; i++)
{
// Manifold
IndexList[index++] = 0;
IndexList[index++] = (uint)((i + 1) % Segments + 1);
IndexList[index++] = (uint)(i + 1);
if (CreateCaps && i < Segments - 2)
{
// Cap
IndexList[index++] = (uint)(Segments + 1);
IndexList[index++] = (uint)(Segments + i + 2);
IndexList[index++] = (uint)(Segments + i + 3);
}
}
}
protected void UpdateUVs (Vector3[] vertices) {
Vector2[] uvs = new Vector2[vertices.Length];
for (int i=0; i<uvs.Length; i++) {
float u = vertices[i].x / GetMaxLightLength() / 2 + 0.5f;
float v = vertices[i].y / GetMaxLightLength() / 2 + 0.5f;
u = SMath.Clamp(0, u, 1);
v = SMath.Clamp(0, v, 1);
uvs[i] = new Vector2(u, v);
}
_mesh.uv = uvs;
}
public void OnViewportMouseMove(object sender, MouseEventArgs args)
{
Point mousePosition = new Point(args.X, args.Y);
Vector2 winformsMousePosition = new Vector2(args.X, args.Y);
if (PreviousMousePosition == null)
{
PreviousMousePosition = new Vector2(winformsMousePosition);
}
Vector2 mouseDelta = winformsMousePosition - PreviousMousePosition;
PreviousMousePosition = winformsMousePosition;
if (args.Button == System.Windows.Forms.MouseButtons.Right)
{
if (IsPerspective)
{
// Take yaw/pitch from mouse movement
double yawDelta = SMath.Clamp(mouseDelta.X * CameraAimSpeed, -15.0, 15.0);
double pitchDelta = SMath.Clamp(mouseDelta.Y * CameraAimSpeed, -15.0, 15.0);
Matrix4x4 yawRotMat = new Matrix4x4(new Quaternion(PerspectiveCamera.UpDirection, SMath.DEG2RAD * yawDelta));
PerspectiveCamera.Direction = (yawRotMat * PerspectiveCamera.Direction).GetNormalized();
Matrix4x4 pitchRotMat = new Matrix4x4(new Quaternion(PerspectiveCamera.SideDirection, SMath.DEG2RAD * pitchDelta));
PerspectiveCamera.Direction = (pitchRotMat * PerspectiveCamera.Direction).GetNormalized();
}
else
{
OrthoCamera.Angle += SMath.DEG2RAD * SMath.Clamp(-mouseDelta.X * CameraAimSpeed, -15.0, 15.0);
}
if (winformsMousePosition.X > Width || winformsMousePosition.Y > Height || winformsMousePosition.X < 0 || winformsMousePosition.Y < 0)
{
PreviousMousePosition = new Vector2(Location.X + Width / 2, Location.Y + Height / 2);
Cursor.Position = this.PointToScreen(PreviousMousePosition.ToPoint());
}
}
}
public Vector2d ClampVector(Vector2d vec)
{
return(new Vector2d(SMath.Clamp(vec.X, Left, Right), SMath.Clamp(vec.Y, Bottom, Top)));
}
private void CreateMesh()
{
double height = 0.5;
double TopRadius = 0.5;
double BottomRadius = TopRadius * BottomRadiusScale;
Segments = SMath.Clamp(Segments, 3, 256);
VertexList = new VertexNormalColor[Segments * (CreateCaps ? 4 : 2)];
IndexList = new uint[Segments * 6 + (CreateCaps ? (Segments - 1) * 6 : 0)];
// Create vertices
for (int i = 0; i < Segments; i++)
{
double angle = ((double)i / (double)Segments) * Math.PI * 2.0;
Vector2 planarCoordinate = Vector2.FromAngle(angle, 1.0);
// Top
VertexList[i + Segments * 0].Position = new Vector3(planarCoordinate.X * TopRadius, planarCoordinate.Y * TopRadius, height);
// Bottom
VertexList[i + Segments * 1].Position = new Vector3(planarCoordinate.X * BottomRadius, planarCoordinate.Y * BottomRadius, -height);
if (CreateCaps)
{
// Top (for cap)
VertexList[i + Segments * 2].Position = new Vector3(planarCoordinate.X * TopRadius, planarCoordinate.Y * TopRadius, height);
// Bottom (for cap)
VertexList[i + Segments * 3].Position = new Vector3(planarCoordinate.X * BottomRadius, planarCoordinate.Y * BottomRadius, -height);
}
}
// Create normals
Vector3 topNormal = CreateCaps ? GeometryMath.GetTriangleNormal(VertexList[Segments * 2].Position, VertexList[Segments * 2 + 2].Position, VertexList[Segments * 2 + 1].Position) : new Vector3(0, 0, 0);
Vector3 bottomNormal = CreateCaps ? GeometryMath.GetTriangleNormal(VertexList[Segments * 3].Position, VertexList[Segments * 3 + 1].Position, VertexList[Segments * 3 + 2].Position) : new Vector3(0, 0, 0);
for (int i = 0; i < Segments; i++)
{
Vector3 manifoldNormal = GeometryMath.GetTriangleNormal(VertexList[i].Position, VertexList[(i + 1) % Segments].Position, VertexList[i + Segments].Position);
VertexList[Segments * 0 + i].Normal = manifoldNormal;
VertexList[Segments * 1 + i].Normal = manifoldNormal;
if (CreateCaps)
{
VertexList[Segments * 2 + i].Normal = topNormal;
VertexList[Segments * 3 + i].Normal = bottomNormal;
}
}
// Create triangles
int index = 0;
for (int i = 0; i < Segments; i++)
{
// Manifold
IndexList[index++] = (uint)i;
IndexList[index++] = (uint)((i + 1) % Segments);
IndexList[index++] = (uint)(i + Segments);
IndexList[index++] = (uint)((i + 1) % Segments);
IndexList[index++] = (uint)((i + 1) % Segments + Segments);
IndexList[index++] = (uint)(i + Segments);
if (CreateCaps && i < Segments - 1)
{
// Top cap
IndexList[index++] = (uint)(Segments * 2);
IndexList[index++] = (uint)(Segments * 2 + i + 1);
IndexList[index++] = (uint)(Segments * 2 + i);
// Bottom cap
IndexList[index++] = (uint)(Segments * 3);
IndexList[index++] = (uint)(Segments * 3 + i);
IndexList[index++] = (uint)(Segments * 3 + i + 1);
}
}
}