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Add methods to the Vector3 type to calculate interpolation.

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This commit is contained in:
Sandu Liviu Catalin 2016-08-04 03:40:01 +03:00
parent 26c0bc4872
commit 4a2b9d5400
2 changed files with 31 additions and 0 deletions
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21
source/Base/Vector3.cpp
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@ -570,6 +570,25 @@ bool Vector3::IsBetweenPoints(const Vector3 & begin, const Vector3 & end) const
return EpsLtEq(GetSquaredDistanceTo(begin), length) && EpsLtEq(GetSquaredDistanceTo(end), length);
}
// ------------------------------------------------------------------------------------------------
void Vector3::Interpolate(const Vector3 & a, const Vector3 & b, Value d)
{
x = STOVAL(static_cast< Float64 >(b.x) + ((a.x - b.x) * d));
y = STOVAL(static_cast< Float64 >(b.y) + ((a.y - b.y) * d));
z = STOVAL(static_cast< Float64 >(b.z) + ((a.z - b.z) * d));
}
// ------------------------------------------------------------------------------------------------
Vector3 Vector3::Interpolated(const Vector3 & vec, Value d) const
{
const Float64 inv = 1.0 - d;
return Vector3(
STOVAL((vec.x * inv) + (x * d)),
STOVAL((vec.y * inv) + (y * d)),
STOVAL((vec.z * inv) + (z * d))
);
}
// ------------------------------------------------------------------------------------------------
const Vector3 & Vector3::Get(CSStr str)
{
@ -693,6 +712,8 @@ void Register_Vector3(HSQUIRRELVM vm)
.Func(_SC("DistanceTo"), &Vector3::GetDistanceTo)
.Func(_SC("SqDistanceTo"), &Vector3::GetSquaredDistanceTo)
.Func(_SC("IsBetweenPoints"), &Vector3::IsBetweenPoints)
.Func(_SC("Interpolate"), &Vector3::Interpolate)
.Func(_SC("Interpolated"), &Vector3::Interpolated)
// Member Overloads
.Overload< void (Vector3::*)(void) >(_SC("Generate"), &Vector3::Generate)
.Overload< void (Vector3::*)(Val, Val) >(_SC("Generate"), &Vector3::Generate)

10
source/Base/Vector3.hpp
View File

@ -409,6 +409,16 @@ struct Vector3
*/
bool IsBetweenPoints(const Vector3 & begin, const Vector3 & end) const;
/* --------------------------------------------------------------------------------------------
* Sets this vector to the linearly interpolated vector between a and b.
*/
void Interpolate(const Vector3 & a, const Vector3 & b, Value d);
/* --------------------------------------------------------------------------------------------
* Sets this vector to the linearly interpolated vector between a and b.
*/
Vector3 Interpolated(const Vector3 & vec, Value d) const;
/* --------------------------------------------------------------------------------------------
* Extract the values for components of the Vector3 type from a string.
*/