Initial

2024-08-07 09:16:27 -04:00
parent fdfadd5c7e
commit 5f971cf684
5200 changed files with 731717 additions and 0 deletions
--- a/proto/source/TRIG.CPP
+++ b/proto/source/TRIG.CPP
@@ -0,0 +1,20 @@
+#include <proto/trig.hpp>
+#include <proto/angles.hpp>
+#include <proto/fixed.hpp>
+#include <common/math.hpp>
+
+void TrigTable::build(const Angles &angles)
+{
+  double angleRad;
+
+  angle360(angles.angle360());
+	mCosTable.size(angles.angle360());
+	mSinTable.size(angles.angle360());
+  for(int currAngle=0;currAngle<angles.angle360();currAngle++)
+	{
+	  angleRad=Math::pi2()*(double)currAngle/(double)angles.angle360();
+		mCosTable.operator[](currAngle)=(int)(Math::cos(angleRad)*FixedPoint::FPMul);
+		mSinTable.operator[](currAngle)=(int)(Math::sin(angleRad)*FixedPoint::FPMul);
+	}
+}
+