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added func

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added rotation matrix for opengl
This commit is contained in:
Orange
2025-04-16 13:33:08 +03:00
parent 2180f8ab97
commit 1601f3cbc8
6 changed files with 30 additions and 11 deletions
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12
source/engines/opengl_engine/formulas.cpp
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@@ -9,19 +9,19 @@ namespace omath::opengl_engine
Vector3<float> ForwardVector(const ViewAngles& angles)
{
const auto vec = MatRotation(angles) * MatColumnFromVector(kAbsForward);
const auto vec = RotationMatrix(angles) * MatColumnFromVector<float, MatStoreType::COLUMN_MAJOR>(kAbsForward);
return {vec.At(0, 0), vec.At(1, 0), vec.At(2, 0)};
}
Vector3<float> RightVector(const ViewAngles& angles)
{
const auto vec = MatRotation(angles) * MatColumnFromVector(kAbsRight);
const auto vec = RotationMatrix(angles) * MatColumnFromVector<float, MatStoreType::COLUMN_MAJOR>(kAbsRight);
return {vec.At(0, 0), vec.At(1, 0), vec.At(2, 0)};
}
Vector3<float> UpVector(const ViewAngles& angles)
{
const auto vec = MatRotation(angles) * MatColumnFromVector(kAbsUp);
const auto vec = RotationMatrix(angles) * MatColumnFromVector<float, MatStoreType::COLUMN_MAJOR>(kAbsUp);
return {vec.At(0, 0), vec.At(1, 0), vec.At(2, 0)};
}
@@ -30,6 +30,12 @@ namespace omath::opengl_engine
return MatCameraView<float, MatStoreType::COLUMN_MAJOR>(-ForwardVector(angles), RightVector(angles),
UpVector(angles), cam_origin);
}
Mat4x4 RotationMatrix(const ViewAngles& angles)
{
return MatRotationAxisZ<float, MatStoreType::COLUMN_MAJOR>(angles.roll) *
MatRotationAxisY<float, MatStoreType::COLUMN_MAJOR>(angles.yaw) *
MatRotationAxisX<float, MatStoreType::COLUMN_MAJOR>(angles.pitch);
}
Mat4x4 CalcPerspectiveProjectionMatrix(const float fieldOfView, const float aspectRatio, const float near,
const float far)
{

11
source/engines/source_engine/formulas.cpp
View File

@@ -8,20 +8,25 @@ namespace omath::source_engine
{
Vector3<float> ForwardVector(const ViewAngles& angles)
{
const auto vec = MatRotation(angles) * MatColumnFromVector(kAbsForward);
const auto vec = RotationMatrix(angles) * MatColumnFromVector(kAbsForward);
return {vec.At(0, 0), vec.At(1, 0), vec.At(2, 0)};
}
Mat4x4 RotationMatrix(const ViewAngles& angles)
{
return MatRotationAxisZ(angles.yaw) * MatRotationAxisY(angles.pitch) * MatRotationAxisX(angles.roll);
}
Vector3<float> RightVector(const ViewAngles& angles)
{
const auto vec = MatRotation(angles) * MatColumnFromVector(kAbsRight);
const auto vec = RotationMatrix(angles) * MatColumnFromVector(kAbsRight);
return {vec.At(0, 0), vec.At(1, 0), vec.At(2, 0)};
}
Vector3<float> UpVector(const ViewAngles& angles)
{
const auto vec = MatRotation(angles) * MatColumnFromVector(kAbsUp);
const auto vec = RotationMatrix(angles) * MatColumnFromVector(kAbsUp);
return {vec.At(0, 0), vec.At(1, 0), vec.At(2, 0)};
}