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Add helper methods to the Vector3 type to rotate on each individual axis.

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This commit is contained in:
Sandu Liviu Catalin 2016-08-04 03:42:48 +03:00
parent ef2bc41fbc
commit 5c26ba62df
2 changed files with 81 additions and 0 deletions
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42
source/Base/Vector3.cpp
View File

@ -596,6 +596,42 @@ Vector3 Vector3::Rotated(const Vector3 & axis, Value angle) const
return (o + ((*this - o) * std::cos(angle)) + (axis.CrossProduct(*this) * std::sin(angle)));
}
// ------------------------------------------------------------------------------------------------
void Vector3::CenterRotateXZBy(Value degrees, const Vector3 & center)
{
degrees *= SQMOD_DEGTORAD;
const Value cs = std::cos(degrees);
const Value sn = std::sin(degrees);
x -= center.x;
z -= center.z;
x = static_cast< Value >((x * cs) - (z * sn)) + center.x;
z = static_cast< Value >((x * sn) + (z * cs)) + center.z;
}
// ------------------------------------------------------------------------------------------------
void Vector3::CenterRotateXYBy(Value degrees, const Vector3 & center)
{
degrees *= SQMOD_DEGTORAD;
const Value cs = std::cos(degrees);
const Value sn = std::sin(degrees);
x -= center.x;
y -= center.y;
x = static_cast< Value >((x * cs) - (y * sn)) + center.x;
y = static_cast< Value >((x * sn) + (y * cs)) + center.y;
}
// ------------------------------------------------------------------------------------------------
void Vector3::CenterRotateYZBy(Value degrees, const Vector3 & center)
{
degrees *= SQMOD_DEGTORAD;
const Value cs = std::cos(degrees);
const Value sn = std::sin(degrees);
z -= center.z;
y -= center.y;
y = static_cast< Value >((y * cs) - (z * sn)) + center.z;
z = static_cast< Value >((y * sn) + (z * cs)) + center.y;
}
// ------------------------------------------------------------------------------------------------
const Vector3 & Vector3::Get(CSStr str)
{
@ -722,6 +758,12 @@ void Register_Vector3(HSQUIRRELVM vm)
.Func(_SC("Interpolate"), &Vector3::Interpolate)
.Func(_SC("Interpolated"), &Vector3::Interpolated)
.Func(_SC("Rotated"), &Vector3::Rotated)
.Func(_SC("RotateXZBy"), &Vector3::RotateXZBy)
.Func(_SC("CenterRotateXZBy"), &Vector3::CenterRotateXZBy)
.Func(_SC("RotateXYBy"), &Vector3::RotateXYBy)
.Func(_SC("CenterRotateXYBy"), &Vector3::CenterRotateXYBy)
.Func(_SC("RotateYZBy"), &Vector3::RotateYZBy)
.Func(_SC("CenterRotateYZBy"), &Vector3::CenterRotateYZBy)
// Member Overloads
.Overload< void (Vector3::*)(void) >(_SC("Generate"), &Vector3::Generate)
.Overload< void (Vector3::*)(Val, Val) >(_SC("Generate"), &Vector3::Generate)

39
source/Base/Vector3.hpp
View File

@ -424,6 +424,45 @@ struct Vector3
*/
Vector3 Rotated(const Vector3 & axis, Value angle) const;
/* --------------------------------------------------------------------------------------------
* Rotates the vector by a specified number of degrees around the Y axis and the specified center.
*/
void RotateXZBy(Value degrees)
{
CenterRotateXZBy(degrees, NIL);
}
/* --------------------------------------------------------------------------------------------
* Rotates the vector by a specified number of degrees around the Y axis and the specified center.
*/
void CenterRotateXZBy(Value degrees, const Vector3 & center);
/* --------------------------------------------------------------------------------------------
* Rotates the vector by a specified number of degrees around the Z axis and the specified center.
*/
void RotateXYBy(Value degrees)
{
CenterRotateXYBy(degrees, NIL);
}
/* --------------------------------------------------------------------------------------------
* Rotates the vector by a specified number of degrees around the Z axis and the specified center.
*/
void CenterRotateXYBy(Value degrees, const Vector3 & center);
/* --------------------------------------------------------------------------------------------
* Rotates the vector by a specified number of degrees around the X axis and the specified center.
*/
void RotateYZBy(Value degrees)
{
CenterRotateYZBy(degrees, NIL);
}
/* --------------------------------------------------------------------------------------------
* Rotates the vector by a specified number of degrees around the X axis and the specified center.
*/
void CenterRotateYZBy(Value degrees, const Vector3 & center);
/* --------------------------------------------------------------------------------------------
* Extract the values for components of the Vector3 type from a string.
*/