add tweaks for st-refactor

1 files changed, 29 insertions, 0 deletions

diff --git a/common/accel-classic.hpp b/common/accel-classic.hpp
new file mode 100644
index 0000000..e2eb494
--- /dev/null
+++ b/common/accel-classic.hpp
@@ -0,0 +1,29 @@
+#pragma once
+
+#include <math.h>
+
+#include "accel-base.hpp"
+
+namespace rawaccel {
+
+	/// <summary> Struct to hold "classic" (linear raised to power) acceleration implementation. </summary>
+	struct accel_classic : accel_base {
+		double exponent;
+
+		accel_classic(accel_args args) : accel_base(args) {
+			verify(args);
+
+			exponent = args.exponent - 1;
+		}
+
+		inline double accelerate(double speed) const {
+			//f(x) = (mx)^k
+			return pow(speed_coeff * speed, exponent);
+		}
+
+		void verify(accel_args args) const {
+			if (args.exponent <= 1) error("exponent must be greater than 1");
+		}
+	};
+	
+}