1 files changed, 28 insertions, 0 deletions
diff --git a/src/main/java/com/pau101/util/CubicBezier.java b/src/main/java/com/pau101/util/CubicBezier.java
new file mode 100644
index 0000000..aab2a98
--- /dev/null
+++ b/src/main/java/com/pau101/util/CubicBezier.java
@@ -0,0 +1,28 @@
+package com.pau101.util;
+
+/**
+ * @author Paul Fulham (pau101)
+ */
+public class CubicBezier
+{
+    private float[][] controlPoints;
+    
+    public CubicBezier(float a1, float b1, float a2, float b2)
+    {
+        controlPoints = new float[4][];
+        controlPoints[0] = new float[]{0, 0};
+        controlPoints[1] = new float[]{a1, b1};
+        controlPoints[2] = new float[]{a2, b2};
+        controlPoints[3] = new float[]{1, 1};
+    }
+    
+    public float eval(float t)
+    {
+        float[] scalars = new float[4];
+        BezierUtils.allBernstein(3, t, scalars);
+        float p = 0;
+        for(int i = 0; i < 4; i++)
+            p += scalars[i] * controlPoints[i][1];
+        return p;
+    }
+}
+\ No newline at end of file