2 files changed, 18 insertions, 6 deletions
diff --git a/src/jogl/classes/com/jogamp/graph/curve/opengl/RegionRenderer.java b/src/jogl/classes/com/jogamp/graph/curve/opengl/RegionRenderer.java
index 8b3fb3a82..0c939d015 100644
--- a/src/jogl/classes/com/jogamp/graph/curve/opengl/RegionRenderer.java
+++ b/src/jogl/classes/com/jogamp/graph/curve/opengl/RegionRenderer.java
@@ -362,17 +362,29 @@ public final class RegionRenderer {
         viewport.set(x, y, width, height);
     }
 
-    public final void reshapePerspective(final float angle, final int width, final int height, final float near, final float far) {
+    /**
+     * Perspective projection, method also calls {@link #reshapeNotify(int, int, int, int)}.
+     * @param angle_rad perspective angle in radians
+     * @param width viewport width
+     * @param height viewport height
+     * @param near projection z-near
+     * @param far projection z-far
+     */
+    public final void reshapePerspective(final float angle_rad, final int width, final int height, final float near, final float far) {
         reshapeNotify(0, 0, width, height);
         final float ratio = (float)width/(float)height;
         final PMVMatrix p = getMatrix();
         p.glMatrixMode(GLMatrixFunc.GL_PROJECTION);
         p.glLoadIdentity();
-        p.gluPerspective(angle, ratio, near, far);
+        p.gluPerspective(angle_rad, ratio, near, far);
     }
 
     /**
-     * Perspective orthogonal, method calls {@link #reshapeNotify(int, int, int, int)}.
+     * Orthogonal projection, method also calls {@link #reshapeNotify(int, int, int, int)}.
+     * @param width viewport width
+     * @param height viewport height
+     * @param near projection z-near
+     * @param far projection z-far
      */
     public final void reshapeOrtho(final int width, final int height, final float near, final float far) {
         reshapeNotify(0, 0, width, height);
diff --git a/src/jogl/classes/com/jogamp/opengl/util/PMVMatrix.java b/src/jogl/classes/com/jogamp/opengl/util/PMVMatrix.java
index b8b2925ae..ebb164912 100644
--- a/src/jogl/classes/com/jogamp/opengl/util/PMVMatrix.java
+++ b/src/jogl/classes/com/jogamp/opengl/util/PMVMatrix.java
@@ -1038,15 +1038,15 @@ public final class PMVMatrix implements GLMatrixFunc {
     /**
      * {@link #glMultMatrixf(FloatBuffer) Multiply} the {@link #glGetMatrixMode() current matrix} with the perspective/frustum matrix.
      *
-     * @param fovy_deg fov angle in degrees
+     * @param fovy_rad fov angle in radians
      * @param aspect aspect ratio width / height
      * @param zNear
      * @param zFar
      * @throws GLException if {@code zNear <= 0} or {@code zFar <= zNear}
      * @see Matrix4f#setToPerspective(float, float, float, float)
      */
-    public final void gluPerspective(final float fovy_deg, final float aspect, final float zNear, final float zFar) throws GLException {
-         glMultMatrixf( mat4Tmp1.setToPerspective(FloatUtil.adegToRad(fovy_deg), aspect, zNear, zFar) );
+    public final void gluPerspective(final float fovy_rad, final float aspect, final float zNear, final float zFar) throws GLException {
+         glMultMatrixf( mat4Tmp1.setToPerspective(fovy_rad, aspect, zNear, zFar) );
     }
 
     /**