youmuliu/stgsharp
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

add a pre-kP evaluation function in c

Browse Source
This commit is contained in:
Youmu Liu
2026-04-24 15:46:58 +08:00
parent 2f6617447c
commit 41350b0487
13 changed files with 169 additions and 154 deletions
Download Patch File Download Diff File Expand all files Collapse all files
StgSharp.Graphics/Camera.cs
+24 -24
View File
@@ -36,26 +36,26 @@ namespace StgSharp.Mathematics.Graphics
{
private bool _isLookAtAvailable;
internal Matrix44 _lookAt;
internal Matrix44 _projection;
internal Matrix44 cameraAtt;
internal Matrix44 rotation;
internal Matrix44 rotationAtt;
internal GraphicsMatrix _lookAt;
internal GraphicsMatrix _projection;
internal GraphicsMatrix cameraAtt;
internal GraphicsMatrix rotation;
internal GraphicsMatrix rotationAtt;
internal Radius _pitch;
internal Radius _row;
internal Radius _yaw;
internal Uniform<Matrix44> convertedUniform;
internal Uniform<GraphicsMatrix> convertedUniform;
internal Vec3 _target, up;
public Camera()
{
cameraAtt = Matrix44.Unit;
cameraAtt = GraphicsMatrix.Unit;
_target = Vec3.Zero;
up = Vec3.Zero;
_isLookAtAvailable = false;
_lookAt = Matrix44.Unit;
rotationAtt = Matrix44.Unit;
_projection = new Matrix44();
_lookAt = GraphicsMatrix.Unit;
rotationAtt = GraphicsMatrix.Unit;
_projection = new GraphicsMatrix();
}
public Camera(
@@ -65,24 +65,24 @@ namespace StgSharp.Mathematics.Graphics
)
: this()
{
rotationAtt = Matrix44.Unit;
cameraAtt = new Matrix44();
rotationAtt = GraphicsMatrix.Unit;
cameraAtt = new GraphicsMatrix();
SetViewDirection(position, target, up);
_pitch = Radius.Zero;
_row = Radius.Zero;
_yaw = Radius.Zero;
}
public Matrix44 Projection => _projection;
public GraphicsMatrix Projection => _projection;
public Matrix44 View
public GraphicsMatrix View
{
get
{
if (_isLookAtAvailable) {
return _lookAt;
}
Matrix44 move = Matrix44.Unit;
GraphicsMatrix move = GraphicsMatrix.Unit;
move.column[3].vec -= cameraAtt.column[3].vec;
_lookAt = rotationAtt.Transpose * move;
_isLookAtAvailable = true;
@@ -90,7 +90,7 @@ namespace StgSharp.Mathematics.Graphics
}
}
public Matrix44 CameraMatrix()
public GraphicsMatrix CameraMatrix()
{
return Projection * View;
}
@@ -118,11 +118,11 @@ namespace StgSharp.Mathematics.Graphics
params string[] uniformName
)
{
if (uniformName is null || uniformName.Length != 1) {
if ((uniformName is null) || (uniformName.Length != 1)) {
throw new ArgumentException(
"Camera needs exactly one uniform.", nameof(uniformName));
}
convertedUniform = source.GetUniform<Matrix44>(uniformName[0]);
convertedUniform = source.GetUniform<GraphicsMatrix>(uniformName[0]);
}
public void MoveNear(
@@ -208,15 +208,15 @@ namespace StgSharp.Mathematics.Graphics
offsetX = offset.X,
offsetY = offset.Y,
width = MathF.Abs(GeometryScaler.Tan(fovRadius / 2) * near * 2),
height = width * size.Y / size.X;
height = (width * size.Y) / size.X;
_projection.column[0].X = 2 * near / width;
_projection.column[1].Y = 2 * near / height;
_projection.column[2].X = 2 * offsetX / width;
_projection.column[2].Y = 2 * offsetY / height;
_projection.column[0].X = (2 * near) / width;
_projection.column[1].Y = (2 * near) / height;
_projection.column[2].X = (2 * offsetX) / width;
_projection.column[2].Y = (2 * offsetY) / height;
_projection.column[2].Z = (far + near) / (near - far);
_projection.column[2].W = -1;
_projection.column[3].Z = 2 * near * far / (near - far);
_projection.column[3].Z = (2 * near * far) / (near - far);
}
public void Test(