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Use type safe angle and horizon classes for the render interface

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These need to be robust and not allow implicit conversions.
This commit is contained in:
Christoph Oelckers 2020-07-23 17:01:37 +02:00
parent 9742bc72aa
commit 945dbc9f7e
7 changed files with 82 additions and 64 deletions
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9
source/core/binaryangle.h
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@ -95,6 +95,14 @@ public:
return binangle(value - other.value);
}
void interpolate(binangle a1, binangle a2, fix16_t smoothratio)
{
// Calculate in floating point to reduce the error caused by overflows which are to be expected here and then downconvert using a method that is safe to overflow.
// We do not want fixed point multiplications here to trash the result.
double smooth = smoothratio / 65536.f;
value = xs_CRoundToUInt(double(a1.asbam()) + smooth * (double(a2.asbam()) - double(a1.asbam())));
}
};
@ -170,7 +178,6 @@ public:
{
return fixedhoriz(value - other.value);
}
};