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Implement correct renderer

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rsformoso
2026-03-13 14:52:08 +08:00
parent 7c540bb6ad
commit cdfcc49f7f
24 changed files with 7680 additions and 11058 deletions
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Assets/vfx-graph-gs/CrossProduct(Vector2).hlsl
-10
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@@ -1,10 +0,0 @@
// Convert scaling vector to 4x4 transformation matrix
// Scaling values are applied to X, Y, Z axes (sxyz.x, sxyz.y, sxyz.z)
float CrossProduct(float2 u, float2 v) {
// Create diagonal scaling matrix
// s.x applied to X-axis
// s.y applied to Y-axis
// s.z applied to Z-axis
return u.x * v.y - u.y * v.x;
}
Assets/vfx-graph-gs/Main.unity
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Assets/vfx-graph-gs/QuaternionToMatrix.hlsl
-38
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@@ -1,38 +0,0 @@
// Convert quaternion to 4x4 transformation matrix
// Quaternion is stored as (w, x, y, z) where w is the scalar part
float4x4 QuaternionToMatrix(float4 q) {
// Extract quaternion components
float w = q.w;
float x = q.x;
float y = q.y;
float z = q.z;
// Calculate matrix elements
float m00 = 1.0 - 2.0 * (y * y + z * z);
float m01 = 2.0 * (x * y - z * w);
float m02 = 2.0 * (x * z + y * w);
float m03 = 0.0;
float m10 = 2.0 * (x * y + z * w);
float m11 = 1.0 - 2.0 * (x * x + z * z);
float m12 = 2.0 * (y * z - x * w);
float m13 = 0.0;
float m20 = 2.0 * (x * z - y * w);
float m21 = 2.0 * (y * z + x * w);
float m22 = 1.0 - 2.0 * (x * x + y * y);
float m23 = 0.0;
float m30 = 0.0;
float m31 = 0.0;
float m32 = 0.0;
float m33 = 1.0;
// Return matrix
return float4x4(
m00, m01, m02, m03,
m10, m11, m12, m13,
m20, m21, m22, m23,
m30, m31, m32, m33
);
}
Assets/vfx-graph-gs/Scripts.meta
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Assets/vfx-graph-gs/SplatData.cs → Assets/vfx-graph-gs/Scripts/SplatData.cs
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Assets/vfx-graph-gs/SplatData.cs.meta → Assets/vfx-graph-gs/Scripts/SplatData.cs.meta
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Assets/vfx-graph-gs/SplatDataBinder.cs → Assets/vfx-graph-gs/Scripts/SplatDataBinder.cs
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Assets/vfx-graph-gs/SplatDataBinder.cs.meta → Assets/vfx-graph-gs/Scripts/SplatDataBinder.cs.meta
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Assets/vfx-graph-gs/SplatDataInspector.cs → Assets/vfx-graph-gs/Scripts/SplatDataInspector.cs
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Assets/vfx-graph-gs/SplatDataInspector.cs.meta → Assets/vfx-graph-gs/Scripts/SplatDataInspector.cs.meta
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Assets/vfx-graph-gs/SplatImporter.cs → Assets/vfx-graph-gs/Scripts/SplatImporter.cs
+7 -7
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@@ -221,17 +221,17 @@ namespace SplatVfx.Editor
switch (property.name[6])
{
case '0':
splatData.ScaleArray[i].x = val;
splatData.ScaleArray[i].x = math.exp(val);
break;
case '1':
splatData.ScaleArray[i].y = val;
splatData.ScaleArray[i].y = math.exp(val);
break;
case '2':
splatData.ScaleArray[i].z = val;
splatData.ScaleArray[i].z = math.exp(val);
break;
}
@@ -242,22 +242,22 @@ namespace SplatVfx.Editor
switch (property.name[4])
{
case '0':
splatData.RotationArray[i].x = val;
splatData.RotationArray[i].w = val;
break;
case '1':
splatData.RotationArray[i].y = val;
splatData.RotationArray[i].x = val;
break;
case '2':
splatData.RotationArray[i].z = val;
splatData.RotationArray[i].y = val;
break;
case '3':
splatData.RotationArray[i].w = val;
splatData.RotationArray[i].z = val;
break;
}
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Assets/vfx-graph-gs/SplatVFX.vfx
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Assets/vfx-graph-gs/VFXGraphHLSL.meta
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Assets/vfx-graph-gs/VFXGraphHLSL/CalculateAxes.hlsl
+49
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// Convert quaternion to 4x4 transformation matrix with non-uniform scaling
float4x4 CalculateAxes(float4 q, float3 s) {
// Extract quaternion components
float w = q.w;
float x = q.x;
float y = q.y;
float z = q.z;
// Calculate rotated basis vectors (columns of the matrix)
// This represents the quaternion rotation applied to the unit axes
float rx = w * x - w * z + y * z + x * y;
float ry = w * y + x * z + w * z + x * y;
float rz = x * x - y * y - z * z + w * w;
// More direct approach using the matrix formula
float m00 = 1.0 - 2.0 * (y * y + z * z);
float m01 = 2.0 * (x * y - z * w);
float m02 = 2.0 * (x * z + y * w);
float m10 = 2.0 * (x * y + z * w);
float m11 = 1.0 - 2.0 * (x * x + z * z);
float m12 = 2.0 * (y * z - x * w);
float m20 = 2.0 * (x * z - y * w);
float m21 = 2.0 * (y * z + x * w);
float m22 = 1.0 - 2.0 * (x * x + y * y);
// Apply scaling to each axis
// Each column of the matrix is the rotated axis scaled by the corresponding factor
float sx = s.x;
float sy = s.y;
float sz = s.z;
float m03 = 0.0;
float m13 = 0.0;
float m23 = 0.0;
float m30 = 0.0;
float m31 = 0.0;
float m32 = 0.0;
float m33 = 1.0;
// Return matrix with scaling
return float4x4(
m00 * sx, m01 * sy, m02 * sz, m03,
m10 * sx, m11 * sy, m12 * sz, m13,
m20 * sx, m21 * sy, m22 * sz, m23,
m30, m31, m32, m33
);
}
Assets/vfx-graph-gs/QuaternionToMatrix.hlsl.meta → Assets/vfx-graph-gs/VFXGraphHLSL/CalculateAxes.hlsl.meta
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Assets/vfx-graph-gs/VFXGraphHLSL/GetMajorAxes.hlsl
+44
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@@ -0,0 +1,44 @@
float CrossProduct(float2 A, float2 B)
{
return A.x * B.y - A.y * B.x;
}
float SweepArea(float2 A, float2 B)
{
return abs(CrossProduct(A, B));
}
float4x4 GetMajorAxes(float4x4 Axes, float4x4 AxesProjections)
{
float4x4 result = (float4x4)0;
float2 x_proj = AxesProjections[0].xy;
float2 y_proj = AxesProjections[1].xy;
float2 z_proj = AxesProjections[2].xy;
float3 x_axes = Axes[0].xyz;
float3 y_axes = Axes[1].xyz;
float3 z_axes = Axes[2].xyz;
float xy_area = SweepArea(x_proj, y_proj);
float xz_area = SweepArea(x_proj, z_proj);
float yz_area = SweepArea(y_proj, z_proj);
if (xy_area > xz_area && xy_area > yz_area)
{
result[0].xyz = x_axes;
result[1].xyz = y_axes;
}
else if (xz_area > yz_area)
{
result[0].xyz = x_axes;
result[1].xyz = z_axes;
}
else
{
result[0].xyz = y_axes;
result[1].xyz = z_axes;
}
return result;
}
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