public override void _Process(float delta)
{
_curTime += IsGlowing ? delta / OnTime : -delta / OffTime;
_curTime.Constrain(0, 1);
if (_material == null)
{
return;
}
var energy = Energy * Mathf.Ease(_curTime, Curve);
// GD.Print(energy.ToString());
_material.EmissionEnergy = energy;
_light.Visible = _curTime != 0;
_light.LightEnergy = energy / 12 + 0.1f;
}
public void RenderTrail()
{
Clear();
Begin(Mesh.PrimitiveType.Triangles);
Godot.Collections.Array <Vector3> localPoints = new Godot.Collections.Array <Vector3>();
foreach (Vector3 p in points)
{
localPoints.Add(p - GlobalTransform.origin);
}
Vector3 lastP = Vector3.Zero;
Godot.Collections.Array <Godot.Collections.Array <Vector3> > verts = new Godot.Collections.Array <Godot.Collections.Array <Vector3> >();
int ind = 0;
bool firstIteration = true;
Vector3 lastFirstVec = Vector3.Zero;
foreach (Vector3 p in localPoints)
{
Godot.Collections.Array <Vector3> newLastPoints = new Godot.Collections.Array <Vector3>();
var offset = lastP - p;
if (offset == Vector3.Zero)
{
continue;
}
var yVec = offset.Normalized(); // get vector pointing from this point to last point
var xVec = Vector3.Zero;
if (firstIteration)
{
xVec = yVec.Cross(yVec.Rotated(Vector3.Right, 0.3f)); //cross product with random vector to get a perpendicular vector
}
else
{
xVec = yVec.Cross(lastFirstVec).Cross(yVec).Normalized(); // keep each loop at the same rotation as the previous
}
var width = maxRadius;
if (shape != 0)
{
width = (1 - Mathf.Ease((ind + 1.0f) / densityLengthwise, shape)) * maxRadius;
}
Godot.Collections.Array <Vector3> segVerts = new Godot.Collections.Array <Vector3>();
var fIter = true;
for (int i = 0; i < densityAround; i++) // set up row of verts for each level
{
var newVert = p + width * xVec.Rotated(yVec, i * 2 * Mathf.Pi / densityAround).Normalized();
if (fIter)
{
lastFirstVec = newVert - p;
fIter = false;
}
segVerts.Add(newVert);
}
verts.Add(segVerts);
lastP = p;
ind += 1;
firstIteration = false;
}
for (int j = 0; j < verts.Count - 1; j++)
{
var cur = verts[j];
var nxt = verts[j + 1];
// 1.0 added to avoid division by zero
float uv = (j + 1.0f) / (verts.Count + 1);
float uvnxt = (j + 2.0f) / (verts.Count + 1);
for (int i = 0; i < densityAround; i++)
{
var nxtI = (i + 1) % densityAround;
//order added affects normal
SetUv(new Vector2(uv, 0f));
AddVertex(cur[i]);
AddVertex(cur[nxtI]);
SetUv(new Vector2(uvnxt, 0f));
AddVertex(nxt[i]);
SetUv(new Vector2(uv, 0f));
AddVertex(cur[nxtI]);
SetUv(new Vector2(uvnxt, 0f));
AddVertex(nxt[nxtI]);
SetUv(new Vector2(uvnxt, 0f));
AddVertex(nxt[i]);
}
}
if (verts.Count > 1)
{
for (int i = 0; i < densityAround; i++)
{
var nxt = (i + 1) % densityAround;
SetUv(Vector2.Zero);
AddVertex(verts[0][i]);
AddVertex(Vector3.Zero);
AddVertex(verts[0][nxt]);
}
for (int i = 0; i < densityAround; i++)
{
var nxt = (i + 1) % densityAround;
SetUv(new Vector2(1f, 0f));
AddVertex(verts[verts.Count - 1][i]);
AddVertex(verts[verts.Count - 1][nxt]);
AddVertex(lastP);
}
}
End();
}
public void RenderTrail()
{
//Clears all the drawn geometry the imediate draw node has drawn the previous frame
Clear();
//Begin the imidiate draw mode with the primative mode paased into it
Begin(Mesh.PrimitiveType.Triangles);
//A godot array for the Vector3 point called local points
Godot.Collections.Array <Vector3> localPoints = new Godot.Collections.Array <Vector3>();
//Loop throuhgt hte points array again
foreach (Vector3 p in points)
{
//We add the points members to the local points array after we subtracted the global transform from the point p
localPoints.Add(p - GlobalTransform.origin);
}
//Create a new last point variable for use int this method
Vector3 lastP = Vector3.Zero;
//Create a new godot array for the verticies
Godot.Collections.Array <Godot.Collections.Array <Vector3> > verts = new Godot.Collections.Array <Godot.Collections.Array <Vector3> >();
int ind = 0;
//If its the first interation of the loop below, here we just "reset" the firstInteration bool for use in the loop
bool firstIteration = true;
//Zero the lastFirstVec value
Vector3 lastFirstVec = Vector3.Zero;
//Loopthrough the localPoint array
foreach (Vector3 p in localPoints)
{
//New godot array for the new last points
Godot.Collections.Array <Vector3> newLastPoints = new Godot.Collections.Array <Vector3>();
//Variable for the offset of the last point with the current point (Vector points from lastP to p)
var offset = lastP - p;
//If there is no offset
if (offset == Vector3.Zero)
{
//We continue with the code
continue;
}
Vector3 yVec = offset.Normalized(); // get vector pointing from this point to last point
//Set het x Vector to zero
Vector3 xVec = Vector3.Zero;
//If this is the first ineration of the loop (First time the loop is run)
if (firstIteration)
{
xVec = yVec.Cross(yVec.Rotated(Vector3.Right, 0.3f)); //cross product with random vector to get a perpendicular vector
}
else
{
xVec = yVec.Cross(lastFirstVec).Cross(yVec).Normalized(); // keep each loop at the same rotation as the previous
}
var width = maxRadius;
if (shape != 0)
{
width = (1 - Mathf.Ease((ind + 1.0f) / densityLengthwise, shape)) * maxRadius;
}
Godot.Collections.Array <Vector3> segVerts = new Godot.Collections.Array <Vector3>();
var fIter = true;
for (int i = 0; i < densityAround; i++) // set up row of verts for each level
{
var newVert = p + width * xVec.Rotated(yVec, i * 2 * Mathf.Pi / densityAround).Normalized();
if (fIter)
{
lastFirstVec = newVert - p;
fIter = false;
}
segVerts.Add(newVert);
}
verts.Add(segVerts);
lastP = p;
ind += 1;
firstIteration = false;
}
for (int j = 0; j < verts.Count - 1; j++)
{
var cur = verts[j];
var nxt = verts[j + 1];
for (int i = 0; i < densityAround; i++)
{
var nxtI = (i + 1) % densityAround;
//order added affects normal
AddVertex(cur[i]);
AddVertex(cur[nxtI]);
AddVertex(nxt[i]);
AddVertex(cur[nxtI]);
AddVertex(nxt[nxtI]);
AddVertex(nxt[i]);
}
}
if (verts.Count > 1)
{
for (int i = 0; i < densityAround; i++)
{
var nxt = (i + 1) % densityAround;
AddVertex(verts[0][i]);
AddVertex(Vector3.Zero);
AddVertex(verts[0][nxt]);
}
for (int i = 0; i < densityAround; i++)
{
var nxt = (i + 1) % densityAround;
AddVertex(verts[verts.Count - 1][i]);
AddVertex(verts[verts.Count - 1][nxt]);
AddVertex(lastP);
}
}
End();
}
