public static SphericalDirection Multiply(SphericalDirection d, Quaternion q)
{
SphericalDirection result;
Multiply(ref d, ref q, out result);
return(result);
}
public static SphericalDirection Negate(SphericalDirection v)
{
SphericalDirection result;
Negate(ref v, out result);
return(result);
}
public static SphericalDirection Add(SphericalDirection v1, SphericalDirection v2)
{
SphericalDirection result;
Add(ref v1, ref v2, out result);
return(result);
}
public static SphericalDirection Subtract(SphericalDirection v1, SphericalDirection v2)
{
SphericalDirection result;
Subtract(ref v1, ref v2, out result);
return(result);
}
protected override void OnEnabledInHierarchyChanged()
{
base.OnEnabledInHierarchyChanged();
if (EnabledInHierarchy)
{
//get free camera initial settings
if (EngineApp.ApplicationType == EngineApp.ApplicationTypeEnum.Simulation)
{
var scene = Parent as Component_Scene;
if (scene != null)
{
Component_Camera camera = scene.CameraDefault;
if (camera == null)
{
camera = scene.Mode.Value == Component_Scene.ModeEnum._2D ? scene.CameraEditor2D : scene.CameraEditor;
}
if (camera != null)
{
var tr = camera.TransformV;
freeCameraPosition = tr.Position;
freeCameraDirection = SphericalDirection.FromVector(tr.Rotation.GetForward());
}
}
}
}
}
public static void FromVector(ref Vector3 dir, out SphericalDirection result)
{
result.Horizontal = Math.Atan2(dir.Y, dir.X);
double dir2Length = Math.Sqrt(dir.X * dir.X + dir.Y * dir.Y);
result.Vertical = Math.Atan2(dir.Z, dir2Length);
}
public static void Multiply(ref SphericalDirection d, ref Quaternion q, out SphericalDirection result)
{
Vector3 vector;
d.GetVector(out vector);
Vector3 vector2;
Quaternion.Multiply(ref vector, ref q, out vector2);
SphericalDirection.FromVector(ref vector2, out result);
}
public bool Equals(SphericalDirection v, double epsilon)
{
if (Math.Abs(Horizontal - v.Horizontal) > epsilon)
{
return(false);
}
if (Math.Abs(Vertical - v.Vertical) > epsilon)
{
return(false);
}
return(true);
}
protected override void OnEnabledInHierarchyChanged()
{
base.OnEnabledInHierarchyChanged();
if (EnabledInHierarchy)
{
var character = Character;
if (character != null)
{
//get initial look direction
lookDirection = SphericalDirection.FromVector(character.TransformV.Rotation.GetForward());
}
}
}
protected override void OnUpdate(float delta)
{
base.OnUpdate(delta);
//moving free camera by keys
if (FreeCamera && !EngineConsole.Active && InputEnabled)
{
double cameraVelocity = IsKeyPressed(EKeys.Shift) ? FreeCameraSpeedFast : FreeCameraSpeedNormal;
var step = cameraVelocity * delta;
var pos = freeCameraPosition;
var dir = freeCameraDirection;
if (IsKeyPressed(EKeys.W) || IsKeyPressed(EKeys.Up) || IsKeyPressed(EKeys.NumPad8))
{
pos += dir.GetVector() * step;
}
if (IsKeyPressed(EKeys.S) || IsKeyPressed(EKeys.Down) || IsKeyPressed(EKeys.NumPad2))
{
pos -= dir.GetVector() * step;
}
if (IsKeyPressed(EKeys.A) || IsKeyPressed(EKeys.Left) || IsKeyPressed(EKeys.NumPad4))
{
pos += new SphericalDirection(dir.Horizontal + Math.PI / 2, 0).GetVector() * step;
}
if (IsKeyPressed(EKeys.D) || IsKeyPressed(EKeys.Right) || IsKeyPressed(EKeys.NumPad6))
{
pos += new SphericalDirection(dir.Horizontal - Math.PI / 2, 0).GetVector() * step;
}
if (IsKeyPressed(EKeys.E))
{
pos += new SphericalDirection(dir.Horizontal, dir.Vertical + Math.PI / 2).GetVector() * step;
}
if (IsKeyPressed(EKeys.Q))
{
pos += new SphericalDirection(dir.Horizontal, dir.Vertical - Math.PI / 2).GetVector() * step;
}
freeCameraPosition = pos;
}
if (freeCameraMouseRotating && !FreeCamera)
{
freeCameraMouseRotating = false;
freeCameraMouseRotatingActivated = false;
}
}
public static void Subtract(ref SphericalDirection v1, ref SphericalDirection v2, out SphericalDirection result)
{
result.Horizontal = v1.Horizontal - v2.Horizontal;
result.Vertical = v1.Vertical - v2.Vertical;
}
public SphericalDirection(SphericalDirection source)
{
Horizontal = source.Horizontal;
Vertical = source.Vertical;
}
public virtual Viewport.CameraSettingsClass GetCameraSettings(Viewport viewport, Component_Camera cameraDefault)
{
Viewport.CameraSettingsClass result = null;
GetCameraSettingsEvent?.Invoke(this, viewport, cameraDefault, ref result);
if (result == null)
{
if (FreeCamera)
{
//free camera
result = new Viewport.CameraSettingsClass(viewport, cameraDefault.AspectRatio, cameraDefault.FieldOfView, cameraDefault.NearClipPlane, cameraDefault.FarClipPlane, freeCameraPosition, freeCameraDirection.GetVector(), Vector3.ZAxis, ProjectionType.Perspective, 1, cameraDefault.Exposure, cameraDefault.EmissiveFactor);
}
else if (UseBuiltInCamera.Value == BuiltInCameraEnum.FirstPerson)
{
//first person camera
//Character
var character = ObjectControlledByPlayer.Value as Component_Character;
if (character != null)
{
character.GetFirstPersonCameraPosition(out var position, out var forward, out var up);
var eyePosition = character.TransformV * character.EyePosition.Value;
var direction = character.LookToDirection.GetVector();
result = new Viewport.CameraSettingsClass(viewport, cameraDefault.AspectRatio, cameraDefault.FieldOfView, cameraDefault.NearClipPlane, cameraDefault.FarClipPlane, eyePosition, direction, up, ProjectionType.Perspective, 1, cameraDefault.Exposure, cameraDefault.EmissiveFactor);
}
}
else if (UseBuiltInCamera.Value == BuiltInCameraEnum.ThirdPerson)
{
//third person camera
//Character
if (Scene.Mode.Value == Component_Scene.ModeEnum._3D)
{
var character = ObjectControlledByPlayer.Value as Component_Character;
if (character != null)
{
var lookAt = character.TransformV.Position;
var d = new SphericalDirection(MathEx.DegreeToRadian(ThirdPersonCameraHorizontalAngle.Value), MathEx.DegreeToRadian(ThirdPersonCameraVerticalAngle.Value));
var direction = -d.GetVector();
var from = lookAt - direction * ThirdPersonCameraDistance.Value;
result = new Viewport.CameraSettingsClass(viewport, cameraDefault.AspectRatio, cameraDefault.FieldOfView, cameraDefault.NearClipPlane, cameraDefault.FarClipPlane, from, direction, Vector3.ZAxis, ProjectionType.Perspective, 1, cameraDefault.Exposure, cameraDefault.EmissiveFactor);
}
}
//Character2D
if (Scene.Mode.Value == Component_Scene.ModeEnum._2D)
{
var character = ObjectControlledByPlayer.Value as Component_Character2D;
if (character != null)
{
var lookAt = character.TransformV.Position;
var from = lookAt + new Vector3(0, 0, 10);
result = new Viewport.CameraSettingsClass(viewport, cameraDefault.AspectRatio, cameraDefault.FieldOfView, cameraDefault.NearClipPlane, cameraDefault.FarClipPlane, from, -Vector3.ZAxis, Vector3.YAxis, ProjectionType.Orthographic, cameraDefault.Height, cameraDefault.Exposure, cameraDefault.EmissiveFactor);
}
}
}
}
//Component_CameraManagement
if (result == null)
{
var m = GetCurrentCameraManagement();
if (m != null)
{
result = m.GetCameraSettings(this, viewport, cameraDefault);
}
}
return(result);
}
bool ProcessInputMessageBefore(UIControl playScreen, InputMessage message)
{
//input enabled changed
{
var m = message as InputMessageInputEnabledChanged;
if (m != null)
{
inputEnabled = m.Value;
}
}
//key down
{
var m = message as InputMessageKeyDown;
if (m != null)
{
//lock( lockerKeysMouse )
//{
if (keys == null)
{
keys = new bool[GetEKeysMaxIndex() + 1];
}
keys[(int)m.Key] = true;
//}
}
}
//key up
{
var m = message as InputMessageKeyUp;
if (m != null)
{
//lock( lockerKeysMouse )
//{
if (keys == null)
{
keys = new bool[GetEKeysMaxIndex() + 1];
}
if (keys[(int)m.Key])
{
keys[(int)m.Key] = false;
}
//}
}
}
//mouse button down
{
var m = message as InputMessageMouseButtonDown;
if (m != null)
{
//lock( lockerKeysMouse )
//{
mouseButtons[(int)m.Button] = true;
//}
}
}
//mouse button up
{
var m = message as InputMessageMouseButtonUp;
if (m != null)
{
//lock( lockerKeysMouse )
//{
mouseButtons[(int)m.Button] = false;
//}
}
}
//mouse move
{
var m = message as InputMessageMouseMove;
if (m != null)
{
//lock( lockerKeysMouse )
//{
mousePosition = m.Position;
//}
}
}
//mouse relative mode
{
var m = message as InputMessageMouseRelativeModeChanged;
if (m != null)
{
mouseRelativeMode = m.Value;
}
}
var keyDown = message as InputMessageKeyDown;
if (keyDown != null && FreeCameraHotKey && FreeCameraHotKeyValue.Value == keyDown.Key)
{
//all keys and mouse buttons up
var viewport = playScreen.ParentContainer.Viewport;
viewport.KeysAndMouseButtonUpAll();
//change free camera
FreeCamera = !FreeCamera;
//show screen message
if (FreeCamera)
{
ScreenMessages.Add($"Free camera is activated.");
}
else
{
ScreenMessages.Add($"Free camera is deactivated.");
}
return(true);
}
var mouseDown = message as InputMessageMouseButtonDown;
if (mouseDown != null)
{
//free camera rotating
if (mouseDown.Button == EMouseButtons.Right && FreeCamera)
{
freeCameraMouseRotating = true;
freeCameraMouseRotatingActivated = false;
freeCameraRotatingStartPos = MousePosition;
}
}
var mouseUp = message as InputMessageMouseButtonUp;
if (mouseUp != null)
{
//free camera rotating
if (mouseUp.Button == EMouseButtons.Right && freeCameraMouseRotating)
{
var viewport = playScreen.ParentContainer.Viewport;
//viewport.MouseRelativeMode = false;
freeCameraMouseRotating = false;
freeCameraMouseRotatingActivated = false;
}
}
var mouseMove = message as InputMessageMouseMove;
if (mouseMove != null)
{
//free camera rotating
if (FreeCamera && freeCameraMouseRotating)
{
var viewport = playScreen.ParentContainer.Viewport;
if (!viewport.MouseRelativeMode)
{
var diffPixels = (MousePosition - freeCameraRotatingStartPos) * viewport.SizeInPixels.ToVector2();
if (Math.Abs(diffPixels.X) >= 3 || Math.Abs(diffPixels.Y) >= 3)
{
freeCameraMouseRotatingActivated = true;
//viewport.MouseRelativeMode = true;
}
}
else
{
var dir = freeCameraDirection;
dir.Horizontal -= MousePosition.X; // * cameraRotateSensitivity;
dir.Vertical -= MousePosition.Y; // * cameraRotateSensitivity;
dir.Horizontal = MathEx.RadianNormalize360(dir.Horizontal);
const double vlimit = Math.PI / 2 - .01f;
if (dir.Vertical > vlimit)
{
dir.Vertical = vlimit;
}
if (dir.Vertical < -vlimit)
{
dir.Vertical = -vlimit;
}
freeCameraDirection = dir;
}
}
}
if (FreeCamera && !EngineConsole.Active && InputEnabled)
{
//key down
{
var m = message as InputMessageKeyDown;
if (m != null)
{
if (m.Key == EKeys.W || m.Key == EKeys.Up || m.Key == EKeys.S || m.Key == EKeys.Down || m.Key == EKeys.A || m.Key == EKeys.Left || m.Key == EKeys.D || m.Key == EKeys.Right || m.Key == EKeys.E || m.Key == EKeys.Q)
{
return(true);
}
}
}
//up down
{
var m = message as InputMessageKeyUp;
if (m != null)
{
if (m.Key == EKeys.W || m.Key == EKeys.Up || m.Key == EKeys.S || m.Key == EKeys.Down || m.Key == EKeys.A || m.Key == EKeys.Left || m.Key == EKeys.D || m.Key == EKeys.Right || m.Key == EKeys.E || m.Key == EKeys.Q)
{
return(true);
}
}
}
}
return(false);
}
protected virtual void Scene_ViewportUpdateGetCameraSettings(Component_Scene scene, Viewport viewport, ref bool processed)
{
//copy from Mesh document window code
//var camera = scene.CameraEditor.Value;
var bounds = scene.CalculateTotalBoundsOfObjectsInSpace();
var cameraLookTo = bounds.GetCenter();
double maxGararite = Math.Max(Math.Max(bounds.GetSize().X, bounds.GetSize().Y), bounds.GetSize().Z);
double distance = maxGararite * 2; // 2.3;
if (distance < 2)
{
distance = 2;
}
double cameraZoomFactor = 1;
SphericalDirection cameraDirection = new SphericalDirection(-3.83, -.47);
var cameraPosition = cameraLookTo - cameraDirection.GetVector() * distance * cameraZoomFactor;
var center = cameraLookTo; // GetSceneCenter();
Vector3 from = cameraPosition; //center + cameraDirection.GetVector() * cameraDistance;
Vector3 to = center;
Degree fov = 65; // 75;
var camera = new Component_Camera();
//camera.AspectRatio = (double)ViewportControl.Viewport.SizeInPixels.X / (double)ViewportControl.Viewport.SizeInPixels.Y;
camera.FieldOfView = fov;
camera.NearClipPlane = Math.Max(distance / 10000, 0.01); //.1;
camera.FarClipPlane = Math.Max(1000, distance * 2);
if (mesh.EditorCameraTransform != null)
{
camera.Transform = mesh.EditorCameraTransform;
}
else
{
camera.Transform = new Transform(from, Quaternion.LookAt((to - from).GetNormalize(), Vector3.ZAxis));
}
camera.FixedUp = Vector3.ZAxis;
viewport.CameraSettings = new Viewport.CameraSettingsClass(viewport, camera);
//if( !cameraMode2D )
//{
//var cameraPosition = cameraLookTo - cameraDirection.GetVector() * cameraDistance;
//var center = cameraLookTo;
//Vector3 from = cameraPosition;//center + cameraDirection.GetVector() * cameraDistance;
//Vector3 to = center;
//Degree fov = 40;//!!!! 65;// 75;
////!!!!
//Component_Camera camera = new Component_Camera();
//camera.AspectRatio = (double)viewport.SizeInPixels.X / (double)viewport.SizeInPixels.Y;
//camera.FieldOfView = fov;
//camera.NearClipPlane = Math.Max( cameraDistance / 10000, 0.01 );//.1;
//camera.FarClipPlane = Math.Max( 1000, cameraDistance * 2 );
//camera.Transform = new Transform( from, Quaternion.LookAt( ( to - from ).GetNormalize(), Vector3.ZAxis ) );
////camera.Position = from;
////camera.Direction = ( to - from ).GetNormalize();
//camera.FixedUp = Vector3.ZAxis;
//viewport.CameraSettings = new Viewport.CameraSettingsClass( viewport, camera );
////!!!!в методе больше параметров
//double aspect = (double)viewport.SizeInPixels.X / (double)viewport.SizeInPixels.Y;
//var settings = new Viewport.CameraSettingsClass( viewport, aspect, fov, .1f, 1000, from, ( to - from ).GetNormalize(), Vec3.ZAxis );
//viewport.CameraSettings = settings;
//}
//else
//{
// var from = cameraLookTo + new Vector3( 0, 0, scene.CameraEditor2DPositionZ );
// var to = cameraLookTo;
// Component_Camera camera = new Component_Camera();
// camera.AspectRatio = (double)viewport.SizeInPixels.X / (double)viewport.SizeInPixels.Y;
// camera.NearClipPlane = 0.01;// Math.Max( cameraInitialDistance / 10000, 0.01 );//.1;
// camera.FarClipPlane = 1000;// Math.Max( 1000, cameraInitialDistance * 2 );
// camera.Transform = new Transform( from, Quaternion.LookAt( ( to - from ).GetNormalize(), Vector3.YAxis ) );
// camera.Projection = ProjectionType.Orthographic;
// camera.FixedUp = Vector3.YAxis;
// //!!!!need consider size by X
// camera.Height = cameraInitBounds.GetSize().Y * 1.4;
// viewport.CameraSettings = new Viewport.CameraSettingsClass( viewport, camera );
//}
processed = true;
}
public static void GenerateCapsule(int axis, double radius, double height, int hSegments, int vSegments, out Vector3[] positions, out Vector3[] normals, out Vector4[] tangents, out Vector2[] texCoords, out int[] indices, out Face[] faces)
{
if (axis < 0 || axis > 2)
{
Log.Fatal("SimpleMeshGenerator: GenerateCapsule: axis < 0 || axis > 2.");
}
//if( radius < 0 )
// Log.Fatal( "SimpleMeshGenerator: GenerateCapsule: radius < 0." );
//if( height < 0 )
// Log.Fatal( "SimpleMeshGenerator: GenerateCapsule: height < 0." );
if (hSegments < 3)
{
Log.Fatal("SimpleMeshGenerator: GenerateCapsule: hSegments < 3.");
}
if (vSegments < 3)
{
Log.Fatal("SimpleMeshGenerator: GenerateCapsule: vSegments < 3.");
}
if (vSegments % 2 != 1)
{
Log.Fatal("SimpleMeshGenerator: GenerateCapsule: vSegments % 2 != 1.");
}
double[] cosTable = new double[hSegments];
double[] sinTable = new double[hSegments];
{
double angleStep = Math.PI * 2 / hSegments;
for (int n = 0; n < hSegments; n++)
{
double angle = angleStep * n;
cosTable[n] = Math.Cos(angle); // *radius;
sinTable[n] = Math.Sin(angle); // *radius;
}
}
//positions
{
int vertexCount = (hSegments + 1) * (vSegments + 1);
positions = new Vector3[vertexCount];
normals = new Vector3[vertexCount];
tangents = new Vector4[vertexCount];
texCoords = new Vector2[vertexCount];
int currentPosition = 0;
for (int v = 0; v < vSegments + 1; v++)
{
for (int n = 0; n < hSegments + 1; n++)
{
bool up = v < (vSegments + 1) / 2;
double vCoef;
if (up)
{
vCoef = ((double)v / (double)(vSegments - 1));
}
else
{
vCoef = (double)(v - 1) / (double)(vSegments - 1);
}
SphericalDirection dir = new SphericalDirection(
(double)n / (double)hSegments * Math.PI * 2,
(vCoef - 0.5) * Math.PI);
var p = dir.GetVector() * radius;
var posNoOffset = new Vector3(p.Z, p.Y, -p.X);
var posResult = posNoOffset;
if (up)
{
posResult.X -= height / 2;
}
else
{
posResult.X += height / 2;
}
positions[currentPosition] = posResult;
//normals
normals[currentPosition] = posNoOffset.GetNormalize();
if (radius < 0)
{
normals[currentPosition] = -normals[currentPosition];
}
//tangents
{
Matrix3 rotationMatrix = Matrix3.FromRotateByX(-Math.PI / 2);
var dir2 = new SphericalDirection((double)n / (double)hSegments * Math.PI * 2, 0).GetVector();
dir2 = new Vector3(0, dir2.Y, -dir2.X);
tangents[currentPosition] = new Vector4((rotationMatrix * dir2).GetNormalize(), -1);
}
//texCoords
texCoords[currentPosition] = new Vector2(
dir.Horizontal / (MathEx.PI * 2) * 2,
-dir.Vertical / MathEx.PI + 0.5);
if (!up)
{
texCoords[currentPosition] = texCoords[currentPosition] - new Vector2(0, 1);
}
if (radius < 0 || height < 0)
{
texCoords[currentPosition] = -texCoords[currentPosition];
}
currentPosition++;
}
}
if (positions.Length != currentPosition)
{
Log.Fatal("SimpleMeshGenerator: GenerateCapsule: positions.Length != currentPosition.");
}
}
//indices
{
int indexCount = vSegments * hSegments * 6;
indices = new int[indexCount];
int currentIndex = 0;
for (int v = 0; v < vSegments; v++)
{
for (int n = 0; n < hSegments; n++)
{
int index = v * (hSegments + 1) + n;
indices[currentIndex++] = index;
indices[currentIndex++] = index + 1;
indices[currentIndex++] = index + hSegments + 1;
indices[currentIndex++] = index + hSegments + 1;
indices[currentIndex++] = index + 1;
indices[currentIndex++] = index + hSegments + 1 + 1;
}
}
if (indices.Length != currentIndex)
{
Log.Fatal("SimpleMeshGenerator: GenerateCapsule: indices.Length != currentIndex.");
}
}
positions = RotateByAxis(axis, positions);
normals = RotateByAxis(axis, normals);
tangents = RotateByAxis(axis, tangents);
//??? Если нужно каждый фейс сделать прямоугольником то задать: rawVerticesInFace = rawVerticesInFaceForMiddle = 6
faces = BuildFacesForGeoSphere(hSegments, vSegments, 3, 6, indices);
////positions
//{
// int vertexCount = hSegments * ( vSegments - 1 ) + 2;
// positions = new Vec3[ vertexCount ];
// normals = new Vec3[ vertexCount ];
// tangents = new Vec4[ vertexCount ];
// texCoords = new Vec2[ vertexCount ];
// double[] cosTable = new double[ hSegments ];
// double[] sinTable = new double[ hSegments ];
// {
// double angleStep = Math.PI * 2 / hSegments;
// for( int n = 0; n < hSegments; n++ )
// {
// double angle = angleStep * n;
// cosTable[ n ] = Math.Cos( angle );
// sinTable[ n ] = Math.Sin( angle );
// }
// }
// int levelCount = vSegments + 1;
// int currentPosition = 0;
// for( int v = 0; v < levelCount; v++ )
// {
// if( v == 0 )
// {
// positions[ currentPosition ] = new Vec3( radius + height * .5, 0, 0 );
// normals[ currentPosition ] = new Vec3( 1, 0, 0 );
// currentPosition++;
// }
// else if( v == vSegments )
// {
// positions[ currentPosition ] = new Vec3( -radius - height * .5, 0, 0 );
// normals[ currentPosition ] = new Vec3( -1, 0, 0 );
// currentPosition++;
// }
// else
// {
// bool top = v <= vSegments / 2;
// double c;
// if( top )
// c = ( (double)v / (double)( vSegments - 1 ) );
// else
// c = ( (double)( v - 1 ) / (double)( vSegments - 1 ) );
// double angle = -( c * 2 - 1 ) * Math.PI / 2;
// double hRadius = Math.Cos( angle ) * radius;
// double h = Math.Sin( angle ) * radius + ( top ? height * .5 : -height * .5 );
// for( int n = 0; n < hSegments; n++ )
// {
// positions[ currentPosition ] = new Vec3( h, cosTable[ n ] * hRadius, sinTable[ n ] * hRadius );
// normals[ currentPosition ] = new Vec3(
// Math.Sin( angle ) * radius, cosTable[ n ] * hRadius, sinTable[ n ] * hRadius ).GetNormalize();
// if( radius < 0 )
// normals[ currentPosition ] = -normals[ currentPosition ];
// currentPosition++;
// }
// }
// }
// if( positions.Length != currentPosition )
// Log.Fatal( "SimpleMeshGenerator: GenerateCapsule: positions.Length != currentPosition." );
//}
////indices
//{
// int indexCount = hSegments * ( vSegments - 2 ) * 2 * 3 + hSegments * 3 + hSegments * 3;
// indices = new int[ indexCount ];
// int levelCount = vSegments + 1;
// int currentIndex = 0;
// for( int v = 0; v < levelCount - 1; v++ )
// {
// int index;
// int nextIndex;
// if( v != 0 )
// {
// index = 1 + ( v - 1 ) * hSegments;
// nextIndex = index + hSegments;
// }
// else
// {
// index = 0;
// nextIndex = 1;
// }
// for( int n = 0; n < hSegments; n++ )
// {
// int start = n;
// int end = ( n + 1 ) % hSegments;
// if( v == 0 )
// {
// indices[ currentIndex++ ] = index;
// indices[ currentIndex++ ] = nextIndex + start;
// indices[ currentIndex++ ] = nextIndex + end;
// }
// else if( v == vSegments - 1 )
// {
// indices[ currentIndex++ ] = index + end;
// indices[ currentIndex++ ] = index + start;
// indices[ currentIndex++ ] = nextIndex;
// }
// else
// {
// indices[ currentIndex++ ] = index + end;
// indices[ currentIndex++ ] = index + start;
// indices[ currentIndex++ ] = nextIndex + end;
// indices[ currentIndex++ ] = nextIndex + start;
// indices[ currentIndex++ ] = nextIndex + end;
// indices[ currentIndex++ ] = index + start;
// }
// }
// }
// if( indices.Length != currentIndex )
// Log.Fatal( "SimpleMeshGenerator: GenerateCapsule: indices.Length != currentIndex." );
//}
//positions = RotateByAxis( axis, positions );
//normals = RotateByAxis( axis, normals );
//tangents = RotateByAxis( axis, tangents );
}
public static void GenerateIcoSphere(double radius, int subdivisions, bool insideOut,
out Vector3[] positions, out Vector3[] normals, out Vector4[] tangents, out Vector2[] texCoords, out int[] indices, out Face[] faces)
{
var faceCount = 20; // 20 faces, icosahedronIndexes.Length / 3
var vCount = 12; // 12 vertices
var divCount = subdivisions;
/* /\
* / \
* /____\
* /\ /\
* / \ / \
* /____\/____\ */
while (divCount-- > 0)
{
// 3 new vetices for each face
vCount += faceCount * 3;
// subdivide each face by 4 new ones
faceCount *= 4;
}
List <int> vertexIndexList; //viList.count == pList.Count (the vertex index of element in pList)
var pList = new List <Vector3>(vCount);
var nList = new List <Vector3>(vCount);
var tList = new List <Vector4>(vCount);
var txList = new List <Vector2>(vCount);
var indexList = new List <int>(icosahedronIndexes);
var t = (1.0 + Math.Sqrt(5.0)) / 2.0;
//icosahedron
nList.Add(new Vector3(-1, t, 0).GetNormalize());
nList.Add(new Vector3(1, t, 0).GetNormalize());
nList.Add(new Vector3(-1, -t, 0).GetNormalize());
nList.Add(new Vector3(1, -t, 0).GetNormalize());
nList.Add(new Vector3(0, -1, t).GetNormalize());
nList.Add(new Vector3(0, 1, t).GetNormalize());
nList.Add(new Vector3(0, -1, -t).GetNormalize());
nList.Add(new Vector3(0, 1, -t).GetNormalize());
nList.Add(new Vector3(t, 0, -1).GetNormalize());
nList.Add(new Vector3(t, 0, 1).GetNormalize());
nList.Add(new Vector3(-t, 0, -1).GetNormalize());
nList.Add(new Vector3(-t, 0, 1).GetNormalize());
foreach (var n in nList)
{
pList.Add(n * radius);
}
//!!!!GC
var cache = new Dictionary <long, int>();
// Refine faces
for (int iter = 0; iter < subdivisions; iter++)
{
var newindices = new List <int>(indexList.Count / 3 * 12);
for (int i = 0; i < indexList.Count / 3; i++)
{
var i1 = indexList[i * 3];
var i2 = indexList[i * 3 + 1];
int i3 = indexList[i * 3 + 2];
// get mid points
int a = CreateMiddlePoint(pList, i1, i2, cache, radius, nList);
int b = CreateMiddlePoint(pList, i2, i3, cache, radius, nList);
int c = CreateMiddlePoint(pList, i3, i1, cache, radius, nList);
//Push 4 triangles
newindices.Add(i1);
newindices.Add(a);
newindices.Add(c);
newindices.Add(i2);
newindices.Add(b);
newindices.Add(a);
newindices.Add(i3);
newindices.Add(c);
newindices.Add(b);
newindices.Add(a);
newindices.Add(b);
newindices.Add(c);
}
indexList = newindices;
}
//tangents and texcoords
{
var rotationMatrix = new Matrix3(0, -1, 0, 1, 0, 0, 0, 0, 1);
for (int n = 0; n < nList.Count; n++)
{
var p = nList[n];
var rot = Quaternion.FromDirectionZAxisUp(p).ToMatrix3() * rotationMatrix;
Vector4 tan;
if (insideOut)
{
tan = new Vector4(rot * Vector3.XAxis, -1);
}
else
{
tan = new Vector4(rot * -Vector3.XAxis, -1);
}
tList.Add(tan);
var dir = SphericalDirection.FromVector(p);
var tx = new Vector2(
dir.Horizontal / (MathEx.PI * 2) * 2, // [-1..1]
-dir.Vertical / MathEx.PI + 0.5); // [0..1]
//var tx = new Vec2(
// ( 0.5 - Math.Atan2( p.X, p.Z ) / Math.PI * 2 ),
// ( 0.5 - Math.Asin( p.Y ) / Math.PI ));
txList.Add(tx);
}
}
bool upUsed = false;
bool downUsed = false;
//all the vertices in pList now have the unique positions. No more unique positions.
vertexIndexList = new List <int>(pList.Count);
for (int i = 0; i < pList.Count; i++)
{
vertexIndexList.Add(i);
}
// Correct poles.
for (int i = 0; i < indexList.Count; i += 3)
{
var vidx1 = indexList[i];
var vidx2 = indexList[i + 1];
var vidx3 = indexList[i + 2];
var n1 = nList[vidx1];
var n2 = nList[vidx2];
var n3 = nList[vidx3];
if (Math.Abs(n1.Z) == 1)
{
var dirUp = SphericalDirection.FromVector(n1);
var mid = (pList[vidx2] + pList[vidx3]) * .5;
var dir = SphericalDirection.FromVector(Vector3.Normalize(mid));
dir.Vertical = dirUp.Vertical;
var txt = new Vector2(
dir.Horizontal / (MathEx.PI * 2) * 2, // [-1..1]
-dir.Vertical / MathEx.PI + 0.5); // [0..1]
var update = false;
if (n1.Z == 1 && !upUsed) //up
{
update = true;
upUsed = true;
}
if (n1.Z == -1 && !downUsed) //down
{
update = true;
downUsed = true;
}
if (update)
{
txList[vidx1] = txt;
}
else
{
// vertex1 is new pole, duplicate it and update the face.
//newVertexIndex = pList.Count;
indexList[i] = pList.Count;
pList.Add(pList[vidx1]);
vertexIndexList.Add(vertexIndexList[vidx1]);
nList.Add(nList[vidx1]);
tList.Add(tList[vidx1]);
txList.Add(txt);
}
}
else if (Math.Abs(n2.Z) == 1)
{
var dirUp = SphericalDirection.FromVector(n2);
var mid = (pList[vidx1] + pList[vidx3]) * .5;
var dir = SphericalDirection.FromVector(Vector3.Normalize(mid));
dir.Vertical = dirUp.Vertical;
var txt = new Vector2(
dir.Horizontal / (MathEx.PI * 2) * 2, // [-1..1]
-dir.Vertical / MathEx.PI + 0.5); // [0..1]
var update = false;
if (n1.Z == 1 && !upUsed) //up
{
update = true;
upUsed = true;
}
if (n1.Z == -1 && !downUsed) //down
{
update = true;
downUsed = true;
}
if (update)
{
txList[vidx2] = txt;
}
else
{
// vertex2 is new pole, duplicate it and update the face.
//newVertexIndex = pList.Count;
indexList[i + 1] = pList.Count;
pList.Add(pList[vidx2]);
vertexIndexList.Add(vertexIndexList[vidx2]);
nList.Add(nList[vidx2]);
tList.Add(tList[vidx2]);
txList.Add(txt);
}
}
else if (Math.Abs(n3.Z) == 1)
{
var dirUp = SphericalDirection.FromVector(n3);
var mid = (pList[vidx1] + pList[vidx2]) * .5;
var dir = SphericalDirection.FromVector(Vector3.Normalize(mid));
dir.Vertical = dirUp.Vertical;
var txt = new Vector2(
dir.Horizontal / (MathEx.PI * 2) * 2, // [-1..1]
-dir.Vertical / MathEx.PI + 0.5); // [0..1]
var update = false;
if (n1.Z == 1 && !upUsed) //up
{
update = true;
upUsed = true;
}
if (n1.Z == -1 && !downUsed) //down
{
update = true;
downUsed = true;
}
if (update)
{
txList[vidx3] = txt;
}
else
{
// vertex3 is new pole, duplicate it and update the face.
//newVertexIndex = pList.Count;
indexList[i + 2] = pList.Count;
pList.Add(pList[vidx3]);
vertexIndexList.Add(vertexIndexList[vidx3]);
nList.Add(nList[vidx3]);
tList.Add(tList[vidx3]);
txList.Add(txt);
}
}
}
//!!!!GC
var correctionMap = new Dictionary <int, int>();
//correct seam
for (int i = indexList.Count - 3; i >= 0; i -= 3)
{
var v0 = new Vector3(txList[indexList[i + 0]], 0);
var v1 = new Vector3(txList[indexList[i + 1]], 0);
var v2 = new Vector3(txList[indexList[i + 2]], 0);
var cross = Vector3.Cross(v0 - v1, v2 - v1);
if (cross.Z <= 0) //test if the face crosses a texture boundary.
{
for (var j = i; j < i + 3; j++)
{
var index = indexList[j];
var texCoord = txList[index];
var shift = 0.0;
if (texCoord.X >= .8)
{
shift = -2;
}
//if( texCoord.X <= -.8 )
// shift = 2;
if (shift == 0)
{
continue;
}
if (correctionMap.ContainsKey(index))
{
indexList[j] = correctionMap[index];
}
else
{
texCoord.X += shift;
txList.Add(texCoord);
pList.Add(pList[index]);
vertexIndexList.Add(vertexIndexList[index]);
nList.Add(nList[index]);
tList.Add(tList[index]);
var correctedVertexIndex = txList.Count - 1;
correctionMap.Add(index, correctedVertexIndex);
indexList[j] = correctedVertexIndex;
}
}
}
}
positions = pList.ToArray();
normals = nList.ToArray();
tangents = tList.ToArray();
texCoords = txList.ToArray();
indices = indexList.ToArray();
if (insideOut)
{
var idx = 0;
while (idx < indices.Length)
{
var temp = indices[idx + 1];
indices[idx + 1] = indices[idx + 2];
indices[idx + 2] = temp;
idx += 3;
}
idx = 0;
while (idx < normals.Length)
{
Vector3.Negate(ref normals[idx], out normals[idx]);
idx++;
}
for (int n = 0; n < texCoords.Length; n++)
{
texCoords[n] = new Vector2(1.0f - texCoords[n].X, texCoords[n].Y);
}
}
const int rawVerticesInFace = 3;
faces = new Face[indices.Length / rawVerticesInFace];
for (int i = 0; i < indices.Length; i += rawVerticesInFace)
{
faces[i / 3] = new Face(new FaceVertex[] {
new FaceVertex(vertexIndexList[indices[i]], indices[i]),
new FaceVertex(vertexIndexList[indices[i + 1]], indices[i + 1]),
new FaceVertex(vertexIndexList[indices[i + 2]], indices[i + 2]),
});
}
//faces = new Face[ indices.Length / rawVerticesInFace ];
//int curTriangle = 0;
//int curFace = 0;
//FaceVertex[] faceTriangles = null;
//for( int i = 0; i < indices.Length; i++ )
//{
// if( faceTriangles == null )
// {
// faceTriangles = new FaceVertex[ rawVerticesInFace ];
// curTriangle = 0;
// }
// faceTriangles[ curTriangle++ ] = new FaceVertex( vertexIndexList[ indices[ i ] ], indices[ i ] );
// if( curTriangle == rawVerticesInFace )
// {
// faces[ curFace++ ] = new Face( faceTriangles );
// faceTriangles = null;
// }
//}
}
public static void GenerateSphere(double radius, int hSegments, int vSegments, bool insideOut,
out Vector3[] positions, out Vector3[] normals, out Vector4[] tangents, out Vector2[] texCoords, out int[] indices, out Face[] faces)
{
var radius2 = radius;
if (insideOut)
{
radius2 = -radius2;
}
//if( radius < 0 )
// Log.Fatal( "SimpleMeshGenerator: GenerateSphere: radius < 0." );
if (hSegments < 3)
{
Log.Fatal("SimpleMeshGenerator: GenerateSphere: hSegments < 3.");
}
if (vSegments < 2)
{
Log.Fatal("SimpleMeshGenerator: GenerateSphere: vSegments < 2.");
}
//positions
{
int vertexCount = (hSegments + 1) * (vSegments + 1);
positions = new Vector3[vertexCount];
normals = new Vector3[vertexCount];
tangents = new Vector4[vertexCount];
texCoords = new Vector2[vertexCount];
int currentPosition = 0;
for (int v = 0; v < vSegments + 1; v++)
{
for (int n = 0; n < hSegments + 1; n++)
{
SphericalDirection dir = new SphericalDirection(
(double)n / (double)hSegments * Math.PI * 2,
((double)v / (double)vSegments - 0.5) * Math.PI);
positions[currentPosition] = dir.GetVector() * radius2;
texCoords[currentPosition] = new Vector2(
dir.Horizontal / (MathEx.PI * 2) * 2,
-dir.Vertical / MathEx.PI + 0.5);
if (radius2 < 0)
{
texCoords[currentPosition] = new Vector2(1.0f - texCoords[currentPosition].X, 1.0f - texCoords[currentPosition].Y);
}
currentPosition++;
}
}
if (positions.Length != currentPosition)
{
Log.Fatal("SimpleMeshGenerator: GenerateSphere: positions.Length != currentPosition.");
}
}
//normals
{
for (int n = 0; n < positions.Length; n++)
{
normals[n] = positions[n].GetNormalize();
if (radius2 < 0)
{
normals[n] = -normals[n];
}
}
}
//tangents
{
Matrix3 rotationMatrix = new Matrix3(0, -1, 0, 1, 0, 0, 0, 0, 1);
for (int n = 0; n < positions.Length; n++)
{
var p = positions[n];
var rot = Quaternion.FromDirectionZAxisUp(p.GetNormalize()).ToMatrix3() * rotationMatrix;
if (radius2 < 0)
{
tangents[n] = new Vector4(rot * Vector3.XAxis, -1);
}
else
{
tangents[n] = new Vector4(rot * -Vector3.XAxis, -1);
}
}
}
//indices
{
int indexCount = vSegments * hSegments * 6;
indices = new int[indexCount];
int currentIndex = 0;
for (int v = 0; v < vSegments; v++)
{
for (int n = 0; n < hSegments; n++)
{
int index = v * (hSegments + 1) + n;
indices[currentIndex++] = index;
indices[currentIndex++] = index + 1;
indices[currentIndex++] = index + hSegments + 1;
indices[currentIndex++] = index + hSegments + 1;
indices[currentIndex++] = index + 1;
indices[currentIndex++] = index + hSegments + 1 + 1;
}
}
if (indices.Length != currentIndex)
{
Log.Fatal("SimpleMeshGenerator: GenerateSphere: indices.Length != currentIndex.");
}
}
//??? Если нужно каждый фейс сделать прямоугольником то задать: rawVerticesInFace = rawVerticesInFaceForMiddle = 6
faces = BuildFacesForGeoSphere(hSegments, vSegments, 3, 3, indices);
}
public void Write(SphericalDirection source)
{
Write(source.Horizontal);
Write(source.Vertical);
}
public static void Negate(ref SphericalDirection v, out SphericalDirection result)
{
result.Horizontal = -v.Horizontal;
result.Vertical = -v.Vertical;
}
//
static SimpleTypes()
{
//string
RegisterType(typeof(string), delegate(string value)
{
if (value == null)
{
return("");
//throw new Exception( "GetSimpleTypeValue: string type, value = null" );
}
return(value);
}, "");
//bool
RegisterType(typeof(bool), delegate(string value)
{
string lower = value.ToLower();
if (value == "1" || lower == "yes" || lower == "true")
{
return(true);
}
else if (value == "0" || lower == "no" || lower == "false")
{
return(false);
}
else
{
return(bool.Parse(value));
}
}, false);
//sbyte
RegisterType(typeof(sbyte), delegate(string value) { return(sbyte.Parse(value)); }, 0);
//byte
RegisterType(typeof(byte), delegate(string value) { return(byte.Parse(value)); }, 0);
//char
RegisterType(typeof(char), delegate(string value) { return(char.Parse(value)); }, 0);
//short
RegisterType(typeof(short), delegate(string value) { return(short.Parse(value)); }, 0);
//ushort
RegisterType(typeof(ushort), delegate(string value) { return(ushort.Parse(value)); }, 0);
//int
RegisterType(typeof(int), delegate(string value) { return(int.Parse(value)); }, 0);
//uint
RegisterType(typeof(uint), delegate(string value) { return(uint.Parse(value)); }, (uint)0);
//long
RegisterType(typeof(long), delegate(string value) { return(long.Parse(value)); }, (long)0);
//ulong
RegisterType(typeof(ulong), delegate(string value) { return(ulong.Parse(value)); }, (ulong)0);
//float
RegisterType(typeof(float), delegate(string value) { return(float.Parse(value)); }, 0.0f);
//double
RegisterType(typeof(double), delegate(string value) { return(double.Parse(value)); }, 0.0);
//decimal
RegisterType(typeof(decimal), delegate(string value) { return(decimal.Parse(value)); }, (decimal)0.0);
//Vec2
RegisterType(typeof(Vector2F), delegate(string value) { return(Vector2F.Parse(value)); }, Vector2F.Zero);
//Range
RegisterType(typeof(RangeF), delegate(string value) { return(RangeF.Parse(value)); }, RangeF.Zero);
//Vec3
RegisterType(typeof(Vector3F), delegate(string value) { return(Vector3F.Parse(value)); }, Vector3F.Zero);
//Vec4
RegisterType(typeof(Vector4F), delegate(string value) { return(Vector4F.Parse(value)); }, Vector4F.Zero);
//Bounds
RegisterType(typeof(BoundsF), delegate(string value) { return(BoundsF.Parse(value)); }, BoundsF.Zero);
//Quat
RegisterType(typeof(QuaternionF), delegate(string value) { return(QuaternionF.Parse(value)); }, QuaternionF.Identity);
//ColorValue
RegisterType(typeof(ColorValue), delegate(string value) { return(ColorValue.Parse(value)); }, ColorValue.Zero);
//ColorValuePowered
RegisterType(typeof(ColorValuePowered), delegate(string value) { return(ColorValuePowered.Parse(value)); }, ColorValuePowered.Zero);
//ColorPacked
RegisterType(typeof(ColorByte), delegate(string value) { return(ColorByte.Parse(value)); }, ColorByte.Zero);
//SphereDir
RegisterType(typeof(SphericalDirectionF), delegate(string value) { return(SphericalDirectionF.Parse(value)); }, SphericalDirectionF.Zero);
//Vec2I
RegisterType(typeof(Vector2I), delegate(string value) { return(Vector2I.Parse(value)); }, Vector2I.Zero);
//Vec3I
RegisterType(typeof(Vector3I), delegate(string value) { return(Vector3I.Parse(value)); }, Vector3I.Zero);
//Vec4I
RegisterType(typeof(Vector4I), delegate(string value) { return(Vector4I.Parse(value)); }, Vector4I.Zero);
//Rect
RegisterType(typeof(RectangleF), delegate(string value) { return(RectangleF.Parse(value)); }, RectangleF.Zero);
//RectI
RegisterType(typeof(RectangleI), delegate(string value) { return(RectangleI.Parse(value)); }, RectangleI.Zero);
//Degree
RegisterType(typeof(DegreeF), delegate(string value) { return(DegreeF.Parse(value)); }, DegreeF.Zero);
//Radian
RegisterType(typeof(RadianF), delegate(string value) { return(RadianF.Parse(value)); }, RadianF.Zero);
//Vec2D
RegisterType(typeof(Vector2), delegate(string value) { return(Vector2.Parse(value)); }, Vector2.Zero);
//RangeD
RegisterType(typeof(Range), delegate(string value) { return(Range.Parse(value)); }, Range.Zero);
//RangeI
RegisterType(typeof(RangeI), delegate(string value) { return(RangeI.Parse(value)); }, RangeI.Zero);
//Vec3D
RegisterType(typeof(Vector3), delegate(string value) { return(Vector3.Parse(value)); }, Vector3.Zero);
//Vec4D
RegisterType(typeof(Vector4), delegate(string value) { return(Vector4.Parse(value)); }, Vector4.Zero);
//BoundsD
RegisterType(typeof(Bounds), delegate(string value) { return(Bounds.Parse(value)); }, Bounds.Zero);
//QuatD
RegisterType(typeof(Quaternion), delegate(string value) { return(Quaternion.Parse(value)); }, Quaternion.Identity);
//SphereDirD
RegisterType(typeof(SphericalDirection), delegate(string value) { return(SphericalDirection.Parse(value)); }, SphericalDirection.Zero);
//RectD
RegisterType(typeof(Rectangle), delegate(string value) { return(Rectangle.Parse(value)); }, Rectangle.Zero);
//DegreeD
RegisterType(typeof(Degree), delegate(string value) { return(Degree.Parse(value)); }, Degree.Zero);
//RadianD
RegisterType(typeof(Radian), delegate(string value) { return(Radian.Parse(value)); }, Radian.Zero);
//Angles
RegisterType(typeof(AnglesF), delegate(string value) { return(AnglesF.Parse(value)); }, AnglesF.Zero);
//AnglesD
RegisterType(typeof(Angles), delegate(string value) { return(Angles.Parse(value)); }, Angles.Zero);
//Mat2F
RegisterType(typeof(Matrix2F), delegate(string value) { return(Matrix2F.Parse(value)); }, Matrix2F.Zero);
//Mat2D
RegisterType(typeof(Matrix2), delegate(string value) { return(Matrix2.Parse(value)); }, Matrix2.Zero);
//Mat3F
RegisterType(typeof(Matrix3F), delegate(string value) { return(Matrix3F.Parse(value)); }, Matrix3F.Zero);
//Mat3D
RegisterType(typeof(Matrix3), delegate(string value) { return(Matrix3.Parse(value)); }, Matrix3.Zero);
//Mat4F
RegisterType(typeof(Matrix4F), delegate(string value) { return(Matrix4F.Parse(value)); }, Matrix4F.Zero);
//Mat4D
RegisterType(typeof(Matrix4), delegate(string value) { return(Matrix4.Parse(value)); }, Matrix4.Zero);
//PlaneF
RegisterType(typeof(PlaneF), delegate(string value) { return(PlaneF.Parse(value)); }, PlaneF.Zero);
//PlaneD
RegisterType(typeof(Plane), delegate(string value) { return(Plane.Parse(value)); }, Plane.Zero);
//Transform
RegisterType(typeof(Transform), delegate(string value) { return(Transform.Parse(value)); }, Transform.Identity);
//UIMeasureValueDouble
RegisterType(typeof(UIMeasureValueDouble), delegate(string value) { return(UIMeasureValueDouble.Parse(value)); }, new UIMeasureValueDouble());
//UIMeasureValueVec2
RegisterType(typeof(UIMeasureValueVector2), delegate(string value) { return(UIMeasureValueVector2.Parse(value)); }, new UIMeasureValueVector2());
//UIMeasureValueRect
RegisterType(typeof(UIMeasureValueRectangle), delegate(string value) { return(UIMeasureValueRectangle.Parse(value)); }, new UIMeasureValueRectangle());
RegisterType(typeof(RangeVector3F), delegate(string value) { return(RangeVector3F.Parse(value)); }, RangeVector3F.Zero);
RegisterType(typeof(RangeColorValue), delegate(string value) { return(RangeColorValue.Parse(value)); }, RangeColorValue.Zero);
//no Parse methods. This is complex structures. This is not simple types? or just can't parse?
//Box
//Capsule
//Cone
//Line3
//Line2
//Ray
//Frustum?
RegisterConvertDoubleToFloatTypes();
}