public void DrawChildMeshes(int res, float minx, float miny, float width, gl.Transform transform, Vector3 Camera, TriangleDrawer graphics, Shader shader, bool onlyborders, float zoom, float precision, int maxprecision)
{
const int Spread = 4, sq = Spread * Spread;
res /= Spread;
float step = width / Spread;
MeshHolder[] childs = Childs;
if (childs == null)
{
childs = new MeshHolder[sq];
int k = 0;
for (int j = 0; j < Spread; j++)
{
float mny = miny + step * j;
for (int i = 0; i < Spread; i++)
{
float mnx = minx + step * i;
childs[k] = new MeshHolder(Parent = this, shapeGenerator, LocalUp, AxisA, AxisB, mnx, mny, step);
k++;
}
}
Childs = childs;
}
for (int i = 0; i < sq; i++)
{
childs[i].DrawMesh(transform, Camera, graphics, shader, onlyborders, zoom, precision, maxprecision);
}
}
public void Draw(TriangleDrawer g, gl.Transform info, Vector3 Camera, bool onlyborders, Size screensize, float pixelprecision, int MaxResolution, Shader shader, float zoom)
{
int maxsize = screensize.Width > screensize.Height ? screensize.Width : screensize.Height;
float precision = maxsize / pixelprecision * shapeSettings.PlanetRadius;
for (int i = 0; i < 6; i++)
{
TerrainFaces[i].DrawMesh(info, Camera, g, shader, onlyborders, zoom, precision, 10);
}
}
void Draw()
{
Shader shader = Shade ?
new Shader {
ShadeB = 0.05f, ShadeG = 0.03f, ShadeR = 0.03f, LightB = 1f, LightG = 1f, LigtR = 1f, Enabled = true
}
: new Shader();
int w = (int)SystemParameters.PrimaryScreenWidth;
int h = (int)SystemParameters.PrimaryScreenHeight;
using (TriangleDrawer g = new TriangleDrawer(w, h))
{
openview.Size size = new openview.Size(w, h);
g.Lock();
gl.Matrix matrix = transform.Matrix;
for (int i = 0; i < planets.Count; i++)
{
ShapeSettings shapeSettings = planets[i].shapeSettings;
Vector3 v = matrix.ApplyTo(shapeSettings.position - transform.position);
float x = v.x, y = v.y, z = v.z;
float r = shapeSettings.PlanetRadius + shapeSettings.MaxDifference;
y += r;
bool xCorrect = x > 0 ? x - r <y : x + r> -y;
bool zCorrect = z > 0 ? z - r <y : z + r> -y;
gl.Transform Applied = transform;
Applied.position = Applied.position - shapeSettings.position;
//Applied.position = shapeSettings.position- Applied.position;
if (y > 0 && xCorrect && zCorrect)
{
planets[i].Draw(g, Applied, transform.position, DrawOnlyBorders, size, precision, 1000 / precision, shader, zoom);
}
}
if (DrawCockpit)
{
g.DrawImage(cockpit, 255);
}
if (MotionBlur)
{
if (LastDraw != null)
{
g.DrawImage(LastDraw, 128);
}
LastDraw = g.Unlock();
Background = new ImageBrush(LastDraw);
}
else
{
Background = new ImageBrush(g.Unlock());
}
Title = g.elapsed.ToString();
}
}
public void DrawMesh(gl.Transform transform, Vector3 Camera, TriangleDrawer graphics, Shader shader, bool onlyborders, float zoom, float precision, int maxprecision)
{
float minx = this.minx, miny = this.miny, width = this.width;
maxprecision--;
ShapeGenerator shapeGenerator = this.shapeGenerator;
ShapeSettings shapeSettings = shapeGenerator.settings;
NoiseSettings noiseSettings = shapeSettings.NoiseSettings;
ElevationSettings settings = noiseSettings.settings;
Vector3 PlanetCentre = shapeSettings.position;
//Vector3 pos = transform.position - PlanetCentre;
float radius = shapeSettings.PlanetRadius;
float r = settings.WaterHeight * shapeSettings.MaxDifference + radius;
float Middleelev = shapeGenerator.noiseFilter.Evaluate(MiddlePointOnUnitSphere);
Vector3 MiddlePoint = MiddlePoint = MiddlePointOnUnitSphere * (radius + Middleelev * shapeSettings.MaxDifference) + PlanetCentre;
float distance = Vector3.Distance(Camera, MiddlePoint);
if (distance == 0)
{
return;
}
if (minx > 0)
{
}
int resolution = Mathf.FloorToPower((int)(precision / distance * width), 2);
//resolution will be >0
//#if false
if (maxprecision > 0 && resolution > 16)//max 16x16=256
{
DrawChildMeshes(resolution, minx, miny, width, transform, Camera, graphics, shader, onlyborders, zoom, precision, maxprecision);
return;
}
//#endif
else if (maxprecision == 0)
{
}
Vector3 Max00 = (LocalUp * .5f + (minx - .5f) * AxisA + (miny - .5f) * AxisB).normalized * r + PlanetCentre;
Vector3 Max01 = (LocalUp * .5f + (minx - .5f) * AxisA + ((miny + width) - .5f) * AxisB).normalized * r + PlanetCentre;
Vector3 Max10 = (LocalUp * .5f + ((minx + width) - .5f) * AxisA + (miny - .5f) * AxisB).normalized * r + PlanetCentre;
Vector3 Max11 = (LocalUp * .5f + ((minx + width) - .5f) * AxisA + ((miny + width) - .5f) * AxisB).normalized * r + PlanetCentre;
Vector3 nearest = Vector3.Nearest(Camera, Max00, Max01, Max10, Max11);
//int intersections = Vector3.FindIntersections(PlanetCentre, r - Mathf.FloatEpsilon, nearest, Camera - nearest, out Vector3 nearestpoint, out Vector3 farthestpoint);
//if (intersections > 0) return;//intersects with sphere
if (LastResolution == resolution)
{
OpenGl.Draw(graphics, LastMesh, transform, onlyborders, shader, zoom);
return;
}
#region initialisation
int resolution1 = resolution + 1;
Vector3[] vertices = new Vector3[resolution1 * resolution1];
int cnt = resolution * resolution * 6;
int[] triangles = new int[cnt];
byte[] colors = new byte[cnt];
int triIndex = 0;
int i = 0;
float wh = settings.WaterHeight;
Color watercolor = settings.WaterColor;
Elevation[] Elevations = settings.Elevations.ToArray();
int elevcount = Elevations.Length;
float Scale = width / resolution;
#endregion
for (int y = 0; y < resolution1; y++)
{
for (int x = 0; x < resolution1; x++)
{
#region Calculate Vertices
Vector2 percent = new Vector2(x * Scale + minx, y * Scale + miny);
Vector3 pointOnUnitCube = LocalUp * .5f + (percent.x - .5f) * AxisA + (percent.y - .5f) * AxisB;
Vector3 PointOnUnitSphere = pointOnUnitCube.normalized;
float elev = shapeGenerator.noiseFilter.Evaluate(PointOnUnitSphere);
vertices[i] = PointOnUnitSphere * (radius + elev * shapeSettings.MaxDifference);// + PlanetCentre;
#endregion
if (x != resolution && y != resolution)
{
Color color = watercolor;
if (elev > wh + Mathf.FloatEpsilon)
{
for (int j = 0; j < elevcount; j++)
{
if (elev < Elevations[j].height + Mathf.FloatEpsilon)
{
color = Elevations[j].color;
break;
}
}
}
#region Calculate Colors
colors[triIndex] = color.R;
colors[triIndex + 1] = color.G;
colors[triIndex + 2] = color.B;
colors[triIndex + 3] = color.R;
colors[triIndex + 4] = color.G;
colors[triIndex + 5] = color.B;
#endregion
#region Calculate Triangles
triangles[triIndex] = i;
triangles[triIndex + 1] = i + resolution1 + 1;
triangles[triIndex + 2] = i + resolution1;
triangles[triIndex + 3] = i;
triangles[triIndex + 4] = i + 1;
triangles[triIndex + 5] = i + resolution1 + 1;
#endregion
triIndex += 6;
}
i++;
}
}
//mesh.Clear();
LastMesh = new Mesh(vertices, triangles, colors);
OpenGl.Draw(graphics, LastMesh, transform, onlyborders, shader, zoom);
LastResolution = resolution;
//mesh.shader = shader;
//mesh.RecalculateNormals();
}