aboutsummaryrefslogtreecommitdiffstats
path: root/src/libnoiseforjava/model/Cylinder.java
diff options
context:
space:
mode:
authorolamedia <[email protected]>2012-09-28 18:46:42 +0600
committerolamedia <[email protected]>2012-09-28 18:46:42 +0600
commitb4192c7a88bad111bebbd42d391d6e729c8617d6 (patch)
treeb05a586dbc60c5427fcc7f3fe01cf2fdcb970272 /src/libnoiseforjava/model/Cylinder.java
initial
Diffstat (limited to 'src/libnoiseforjava/model/Cylinder.java')
-rw-r--r--src/libnoiseforjava/model/Cylinder.java115
1 files changed, 115 insertions, 0 deletions
diff --git a/src/libnoiseforjava/model/Cylinder.java b/src/libnoiseforjava/model/Cylinder.java
new file mode 100644
index 0000000..04647b7
--- /dev/null
+++ b/src/libnoiseforjava/model/Cylinder.java
@@ -0,0 +1,115 @@
+/*
+ * Copyright (C) 2003, 2004 Jason Bevins (original libnoise code)
+ * Copyright 2010 Thomas J. Hodge (java port of libnoise)
+ *
+ * This file is part of libnoiseforjava.
+ *
+ * libnoiseforjava is a Java port of the C++ library libnoise, which may be found at
+ * http://libnoise.sourceforge.net/. libnoise was developed by Jason Bevins, who may be
+ * contacted at [email protected] (for great email, take off every 'zig').
+ * Porting to Java was done by Thomas Hodge, who may be contacted at
+ * [email protected] (remove every 'zag').
+ *
+ * libnoiseforjava is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * libnoiseforjava is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * libnoiseforjava. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+package libnoiseforjava.model;
+
+import libnoiseforjava.module.ModuleBase;
+
+public class Cylinder
+{
+ /// Model that defines the surface of a cylinder.
+ ///
+ /// @image html modelcylinder.png
+ ///
+ /// This model returns an output value from a noise module given the
+ /// coordinates of an input value located on the surface of a cylinder.
+ ///
+ /// To generate an output value, pass the (angle, height) coordinates of
+ /// an input value to the GetValue() method.
+ ///
+ /// This model is useful for creating:
+ /// - seamless textures that can be mapped onto a cylinder
+ ///
+ /// This cylinder has a radius of 1.0 unit and has infinite height. It is
+ /// oriented along the @a y axis. Its center is located at the origin.
+
+
+
+ /// A pointer to the noise module used to generate the output values.
+ ModuleBase module;
+
+ public Cylinder ()
+ {
+ module = new ModuleBase(1);
+ }
+
+ Cylinder (ModuleBase module)
+ {
+ this.module = module;
+ }
+
+ /// Returns the output value from the noise module given the
+ /// (angle, height) coordinates of the specified input value located
+ /// on the surface of the cylinder.
+ ///
+ /// @param angle The angle around the cylinder's center, in degrees.
+ /// @param height The height along the @a y axis.
+ ///
+ /// @returns The output value from the noise module.
+ ///
+ /// @pre A noise module was passed to the setModule() method.
+ ///
+ /// This output value is generated by the noise module passed to the
+ /// SetModule() method.
+ ///
+ /// This cylinder has a radius of 1.0 unit and has infinite height.
+ /// It is oriented along the @a y axis. Its center is located at the
+ /// origin.
+ public double getValue (double angle, double height)
+ {
+ assert (module != null);
+
+ double x, y, z;
+ x = Math.cos(Math.toRadians(angle));
+ y = height;
+ z = Math.sin(Math.toRadians(angle));
+ return module.getValue (x, y, z);
+ }
+
+ /// Returns the noise module that is used to generate the output
+ /// values.
+ ///
+ /// @returns A reference to the noise module.
+ ///
+ /// @pre A noise module was passed to the setModule() method.
+ public ModuleBase getModule ()
+ {
+ assert (module != null);
+ return module;
+ }
+
+ /// Sets the noise module that is used to generate the output values.
+ ///
+ /// @param module The noise module that is used to generate the output
+ /// values.
+ ///
+ /// This noise module must exist for the lifetime of this object,
+ /// until you pass a new noise module to this method.
+ public void setModule (ModuleBase module)
+ {
+ this.module = module;
+ }
+
+}