public static Light GetDefault(string name, float x, float y)
{
var lightData = new LightData(name, x, y)
{
DragPoints = new[] {
new DragPointData(x, y - 50f)
{
IsSmooth = true
},
new DragPointData(x - 50f * MathF.Cos(MathF.PI / 4), y - 50f * MathF.Sin(MathF.PI / 4))
{
IsSmooth = true
},
new DragPointData(x - 50f, y)
{
IsSmooth = true
},
new DragPointData(x - 50f * MathF.Cos(MathF.PI / 4), y + 50f * MathF.Sin(MathF.PI / 4))
{
IsSmooth = true
},
new DragPointData(x, y + 50f)
{
IsSmooth = true
},
new DragPointData(x + 50f * MathF.Cos(MathF.PI / 4), y + 50f * MathF.Sin(MathF.PI / 4))
{
IsSmooth = true
},
new DragPointData(x + 50f, y)
{
IsSmooth = true
},
new DragPointData(x + 50f * MathF.Cos(MathF.PI / 4), y - 50f * MathF.Sin(MathF.PI / 4))
{
IsSmooth = true
},
}
};
return(new Light(lightData));
}
private Mesh CalculateBuiltinOriginal()
{
var mesh = new Mesh(_data.Name);
// this recalculates the Original Vertices -> should be only called, when sides are altered.
var outerRadius = -0.5f / MathF.Cos(MathF.PI / _data.Sides);
var addAngle = 2.0f * MathF.PI / _data.Sides;
var offsAngle = MathF.PI / _data.Sides;
var minX = Constants.FloatMax;
var minY = Constants.FloatMax;
var maxX = -Constants.FloatMax;
var maxY = -Constants.FloatMax;
mesh.Vertices = new Vertex3DNoTex2[4 * _data.Sides + 2];
// middle point top
mesh.Vertices[0] = new Vertex3DNoTex2 {
X = 0.0f, Y = 0.0f, Z = 0.5f
};
// middle point bottom
mesh.Vertices[_data.Sides + 1] = new Vertex3DNoTex2 {
X = 0.0f, Y = 0.0f, Z = -0.5f
};
for (var i = 0; i < _data.Sides; ++i)
{
var currentAngle = addAngle * i + offsAngle;
// calculate Top
var topVert = new Vertex3DNoTex2 { // top point at side
X = MathF.Sin(currentAngle) * outerRadius,
Y = MathF.Cos(currentAngle) * outerRadius,
Z = 0.5f
};
mesh.Vertices[i + 1] = topVert;
// calculate bottom
var bottomVert = new Vertex3DNoTex2 { // bottom point at side
X = topVert.X,
Y = topVert.Y,
Z = -0.5f
};
mesh.Vertices[i + 1 + _data.Sides + 1] = bottomVert;
// calculate sides
mesh.Vertices[_data.Sides * 2 + 2 + i] = topVert; // sideTopVert
mesh.Vertices[_data.Sides * 3 + 2 + i] = bottomVert; // sideBottomVert
// calculate bounds for X and Y
if (topVert.X < minX)
{
minX = topVert.X;
}
if (topVert.X > maxX)
{
maxX = topVert.X;
}
if (topVert.Y < minY)
{
minY = topVert.Y;
}
if (topVert.Y > maxY)
{
maxY = topVert.Y;
}
}
// these have to be replaced for image mapping
var middle = mesh.Vertices[0]; // middle point top
middle.Tu = 0.25f; // /4
middle.Tv = 0.25f; // /4
middle = mesh.Vertices[_data.Sides + 1]; // middle point bottom
middle.Tu = 0.25f * 3.0f; // /4*3
middle.Tv = 0.25f; // /4
var invX = 0.5f / (maxX - minX);
var invY = 0.5f / (maxY - minY);
var invS = 1.0f / _data.Sides;
for (var i = 0; i < _data.Sides; i++)
{
var topVert = mesh.Vertices[i + 1]; // top point at side
topVert.Tu = (topVert.X - minX) * invX;
topVert.Tv = (topVert.Y - minY) * invY;
var bottomVert = mesh.Vertices[i + 1 + _data.Sides + 1]; // bottom point at side
bottomVert.Tu = topVert.Tu + 0.5f;
bottomVert.Tv = topVert.Tv;
var sideTopVert = mesh.Vertices[_data.Sides * 2 + 2 + i];
var sideBottomVert = mesh.Vertices[_data.Sides * 3 + 2 + i];
sideTopVert.Tu = i * invS;
sideTopVert.Tv = 0.5f;
sideBottomVert.Tu = sideTopVert.Tu;
sideBottomVert.Tv = 1.0f;
}
// So how many indices are needed?
// 3 per Triangle top - we have m_sides triangles -> 0, 1, 2, 0, 2, 3, 0, 3, 4, ...
// 3 per Triangle bottom - we have m_sides triangles
// 6 per Side at the side (two triangles form a rectangle) - we have m_sides sides
// == 12 * m_sides
// * 2 for both cullings (m_DrawTexturesInside == true)
// == 24 * m_sides
// this will also be the initial sorting, when depths, Vertices and Indices are recreated, because calculateRealTimeOriginal is called.
// 2 restore indices
// check if anti culling is enabled:
if (_data.DrawTexturesInside)
{
mesh.Indices = new int[_data.Sides * 24];
// draw yes everything twice
// restore indices
for (var i = 0; i < _data.Sides; i++)
{
var tmp = i == _data.Sides - 1 ? 1 : i + 2; // wrapping around
// top
mesh.Indices[i * 6] = 0;
mesh.Indices[i * 6 + 1] = i + 1;
mesh.Indices[i * 6 + 2] = tmp;
mesh.Indices[i * 6 + 3] = 0;
mesh.Indices[i * 6 + 4] = tmp;
mesh.Indices[i * 6 + 5] = i + 1;
var tmp2 = tmp + 1;
// bottom
mesh.Indices[6 * (i + _data.Sides)] = _data.Sides + 1;
mesh.Indices[6 * (i + _data.Sides) + 1] = _data.Sides + tmp2;
mesh.Indices[6 * (i + _data.Sides) + 2] = _data.Sides + 2 + i;
mesh.Indices[6 * (i + _data.Sides) + 3] = _data.Sides + 1;
mesh.Indices[6 * (i + _data.Sides) + 4] = _data.Sides + 2 + i;
mesh.Indices[6 * (i + _data.Sides) + 5] = _data.Sides + tmp2;
// sides
mesh.Indices[12 * (i + _data.Sides)] = _data.Sides * 2 + tmp2;
mesh.Indices[12 * (i + _data.Sides) + 1] = _data.Sides * 2 + 2 + i;
mesh.Indices[12 * (i + _data.Sides) + 2] = _data.Sides * 3 + 2 + i;
mesh.Indices[12 * (i + _data.Sides) + 3] = _data.Sides * 2 + tmp2;
mesh.Indices[12 * (i + _data.Sides) + 4] = _data.Sides * 3 + 2 + i;
mesh.Indices[12 * (i + _data.Sides) + 5] = _data.Sides * 3 + tmp2;
mesh.Indices[12 * (i + _data.Sides) + 6] = _data.Sides * 2 + tmp2;
mesh.Indices[12 * (i + _data.Sides) + 7] = _data.Sides * 3 + 2 + i;
mesh.Indices[12 * (i + _data.Sides) + 8] = _data.Sides * 2 + 2 + i;
mesh.Indices[12 * (i + _data.Sides) + 9] = _data.Sides * 2 + tmp2;
mesh.Indices[12 * (i + _data.Sides) + 10] = _data.Sides * 3 + tmp2;
mesh.Indices[12 * (i + _data.Sides) + 11] = _data.Sides * 3 + 2 + i;
}
}
else
{
// only no out-facing polygons
// restore indices
mesh.Indices = new int[_data.Sides * 12];
for (var i = 0; i < _data.Sides; i++)
{
var tmp = i == _data.Sides - 1 ? 1 : i + 2; // wrapping around
// top
mesh.Indices[i * 3] = 0;
mesh.Indices[i * 3 + 2] = i + 1;
mesh.Indices[i * 3 + 1] = tmp;
//SetNormal(mesh.Vertices[0], &mesh.Indices[i+3], 3); // see below
var tmp2 = tmp + 1;
// bottom
mesh.Indices[3 * (i + _data.Sides)] = _data.Sides + 1;
mesh.Indices[3 * (i + _data.Sides) + 1] = _data.Sides + 2 + i;
mesh.Indices[3 * (i + _data.Sides) + 2] = _data.Sides + tmp2;
//SetNormal(mesh.Vertices[0], &mesh.Indices[3*(i+_data.Sides)], 3); // see below
// sides
mesh.Indices[6 * (i + _data.Sides)] = _data.Sides * 2 + tmp2;
mesh.Indices[6 * (i + _data.Sides) + 1] = _data.Sides * 3 + 2 + i;
mesh.Indices[6 * (i + _data.Sides) + 2] = _data.Sides * 2 + 2 + i;
mesh.Indices[6 * (i + _data.Sides) + 3] = _data.Sides * 2 + tmp2;
mesh.Indices[6 * (i + _data.Sides) + 4] = _data.Sides * 3 + tmp2;
mesh.Indices[6 * (i + _data.Sides) + 5] = _data.Sides * 3 + 2 + i;
}
}
//SetNormal(mesh.Vertices[0], &mesh.Indices[0], m_mesh.NumIndices()); // SetNormal only works for plane polygons
Mesh.ComputeNormals(mesh.Vertices, mesh.Vertices.Length, mesh.Indices, mesh.Indices.Length);
return(mesh);
}
private Dictionary <string, Mesh> GenerateMeshes(float height, float margin = 0f)
{
var meshes = new Dictionary <string, Mesh>();
var fullMatrix = new Matrix3D();
fullMatrix.RotateZMatrix(MathF.DegToRad(180.0f));
var baseRadius = _data.BaseRadius - _data.RubberThickness + margin;
var endRadius = _data.EndRadius - _data.RubberThickness + margin;
// calc angle needed to fix P0 location
var sinAngle = (baseRadius - endRadius) / _data.FlipperRadius;
if (sinAngle > 1.0)
{
sinAngle = 1.0f;
}
if (sinAngle < -1.0)
{
sinAngle = -1.0f;
}
var fixAngle = MathF.Asin(sinAngle);
var fixAngleScale = fixAngle / (float)(System.Math.PI * 0.5); // scale (in relation to 90 deg.)
// fixAngleScale = 0.0; // note: if you force fixAngleScale = 0.0 then all will look as old version
// lambda used to apply fix
void ApplyFix(ref Vertex3DNoTex2 vert, Vertex2D center, float midAngle, float radius, Vertex2D newCenter)
{
var vAngle = MathF.Atan2(vert.Y - center.Y, vert.X - center.X);
var nAngle = MathF.Atan2(vert.Ny, vert.Nx);
// we want have angles with same sign as midAngle, fix it:
if (midAngle < 0.0)
{
if (vAngle > 0.0)
{
vAngle -= (float)(System.Math.PI * 2.0);
}
if (nAngle > 0.0)
{
nAngle -= (float)(System.Math.PI * 2.0);
}
}
else
{
if (vAngle < 0.0)
{
vAngle += (float)(System.Math.PI * 2.0);
}
if (nAngle < 0.0)
{
nAngle += (float)(System.Math.PI * 2.0);
}
}
nAngle -= (vAngle - midAngle) * fixAngleScale * MathF.Sign(midAngle);
vAngle -= (vAngle - midAngle) * fixAngleScale * MathF.Sign(midAngle);
float nL = new Vertex2D(vert.Nx, vert.Ny).Length();
vert.X = MathF.Cos(vAngle) * radius + newCenter.X;
vert.Y = MathF.Sin(vAngle) * radius + newCenter.Y;
vert.Nx = MathF.Cos(nAngle) * nL;
vert.Ny = MathF.Sin(nAngle) * nL;
}
// base and tip
var baseMesh = new Mesh(Base, Vertices, Indices).Clone();
for (var t = 0; t < 13; t++)
{
for (var i = 0; i < baseMesh.Vertices.Length; i++)
{
var v = baseMesh.Vertices[i];
if (v.X == VertsBaseBottom[t].X && v.Y == VertsBaseBottom[t].Y && v.Z == VertsBaseBottom[t].Z)
{
ApplyFix(ref baseMesh.Vertices[i], new Vertex2D(VertsBaseBottom[6].X, VertsBaseBottom[0].Y),
(float)-(System.Math.PI * 0.5), baseRadius, new Vertex2D(0, 0));
}
if (v.X == VertsTipBottom[t].X && v.Y == VertsTipBottom[t].Y && v.Z == VertsTipBottom[t].Z)
{
ApplyFix(ref baseMesh.Vertices[i], new Vertex2D(VertsTipBottom[6].X, VertsTipBottom[0].Y),
(float)(System.Math.PI * 0.5), endRadius, new Vertex2D(0, _data.FlipperRadius));
}
if (v.X == VertsBaseTop[t].X && v.Y == VertsBaseTop[t].Y && v.Z == VertsBaseTop[t].Z)
{
ApplyFix(ref baseMesh.Vertices[i], new Vertex2D(VertsBaseBottom[6].X, VertsBaseBottom[0].Y),
(float)(-System.Math.PI * 0.5), baseRadius, new Vertex2D(0, 0));
}
if (v.X == VertsTipTop[t].X && v.Y == VertsTipTop[t].Y && v.Z == VertsTipTop[t].Z)
{
ApplyFix(ref baseMesh.Vertices[i], new Vertex2D(VertsTipBottom[6].X, VertsTipBottom[0].Y),
(float)(System.Math.PI * 0.5), endRadius, new Vertex2D(0, _data.FlipperRadius));
}
}
}
baseMesh.Transform(fullMatrix, null, z => z * _data.Height + height);
meshes[Base] = baseMesh;
// rubber
var rubberMesh = new Mesh(Rubber, Vertices, Indices).Clone();
for (var t = 0; t < 13; t++)
{
for (var i = 0; i < rubberMesh.Vertices.Length; i++)
{
var v = rubberMesh.Vertices[i];
if (v.X == VertsBaseBottom[t].X && v.Y == VertsBaseBottom[t].Y && v.Z == VertsBaseBottom[t].Z)
{
ApplyFix(ref rubberMesh.Vertices[i], new Vertex2D(VertsBaseBottom[6].X, VertsBaseBottom[0].Y),
(float)(-System.Math.PI * 0.5), baseRadius + _data.RubberThickness + margin,
new Vertex2D(0, 0));
}
if (v.X == VertsTipBottom[t].X && v.Y == VertsTipBottom[t].Y && v.Z == VertsTipBottom[t].Z)
{
ApplyFix(ref rubberMesh.Vertices[i], new Vertex2D(VertsTipBottom[6].X, VertsTipBottom[0].Y),
(float)(System.Math.PI * 0.5), endRadius + _data.RubberThickness + margin,
new Vertex2D(0, _data.FlipperRadius));
}
if (v.X == VertsBaseTop[t].X && v.Y == VertsBaseTop[t].Y && v.Z == VertsBaseTop[t].Z)
{
ApplyFix(ref rubberMesh.Vertices[i], new Vertex2D(VertsBaseBottom[6].X, VertsBaseBottom[0].Y),
(float)(-System.Math.PI * 0.5), baseRadius + _data.RubberThickness + margin,
new Vertex2D(0, 0));
}
if (v.X == VertsTipTop[t].X && v.Y == VertsTipTop[t].Y && v.Z == VertsTipTop[t].Z)
{
ApplyFix(ref rubberMesh.Vertices[i], new Vertex2D(VertsTipBottom[6].X, VertsTipBottom[0].Y),
(float)(System.Math.PI * 0.5), endRadius + _data.RubberThickness + margin,
new Vertex2D(0, _data.FlipperRadius));
}
}
}
rubberMesh.Transform(fullMatrix, null, z => z * _data.RubberWidth + (height + _data.RubberHeight + margin * 10f));
meshes[Rubber] = rubberMesh;
return(meshes);
}
public Vertex3DNoTex2[] BuildRodVertices(int frame)
{
if (_lathePoints == 0)
{
CalculateArraySizes();
}
var vertices = new Vertex3DNoTex2[_latheVts];
var yTip = _beginY + _dyPerFrame * frame;
var tu = 0.51f;
var stepU = 1.0f / _circlePoints;
var i = 0;
for (var l = 0; l < _circlePoints; l++, tu += stepU)
{
// Go down the long axis, adding a vertex for each point
// in the descriptor list at the current lathe angle.
if (tu > 1.0f)
{
tu -= 1.0f;
}
var angle = (float)(MathF.PI * 2.0) / _circlePoints * l;
var sn = MathF.Sin(angle);
var cs = MathF.Cos(angle);
for (var m = 0; m < _lathePoints; m++)
{
ref var c = ref _desc.c[m];
// get the current point's coordinates
var y = c.y + yTip;
var r = c.r;
var tv = c.tv;
// the last coordinate is always the bottom of the rod
if (m + 1 == _lathePoints)
{
// set the end point
y = _rodY;
// Figure the texture mapping for the rod position. This is
// important because we draw the rod with varying length -
// the part that's pulled back beyond the 'rodY' point is
// hidden. We want the texture to maintain the same apparent
// position and scale in each frame, so we need to figure the
// proportional point of the texture at our cut-off point on
// the object surface.
var ratio = frame * _invScale;
tv = vertices[m - 1].Tv + (tv - vertices[m - 1].Tv) * ratio;
}
vertices[i++] = new Vertex3DNoTex2 {
X = r * (sn * _data.Width) + _data.Center.X,
Y = y,
Z = (r * (cs * _data.Width) + _data.Width + _zHeight) * _zScale,
Nx = c.nx * sn,
Ny = c.ny,
Nz = c.nx * cs,
Tu = tu,
Tv = tv
};
}
}
