add new pyramid opengl sample code to the workspace

samples/opengl/opengl_pyramid.cbp

@@ -0,0 +1,48 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
+<CodeBlocks_project_file>
+	<FileVersion major="1" minor="6" />
+	<Project>
+		<Option title="opengl_pyramid" />
+		<Option execution_dir="./" />
+		<Option pch_mode="2" />
+		<Option default_target="win_gcc" />
+		<Option compiler="gcc" />
+		<Build>
+			<Target title="win_gcc">
+				<Option output="bin/$(TARGET_NAME)/$(PROJECT_NAME)" prefix_auto="1" extension_auto="1" />
+				<Option working_dir="pyramid" />
+				<Option object_output=".objs/$(TARGET_NAME)" />
+				<Option type="0" />
+				<Option compiler="gcc" />
+				<Option projectLinkerOptionsRelation="2" />
+				<Compiler>
+					<Add option="-g" />
+					<Add option="`$(#WX_CONFIG) --cflags`" />
+				</Compiler>
+				<Linker>
+					<Add option="`$(#WX_CONFIG) --libs std,gl`" />
+					<Add option="-lopengl32" />
+					<Add option="-lglu32" />
+				</Linker>
+			</Target>
+		</Build>
+		<VirtualTargets>
+			<Add alias="All" targets="win_gcc;" />
+		</VirtualTargets>
+		<Compiler>
+			<Add option="-Wall" />
+		</Compiler>
+		<ResourceCompiler>
+			<Add directory="%WXWIN%/include" />
+		</ResourceCompiler>
+		<Unit filename="pyramid/mathstuff.cpp" />
+		<Unit filename="pyramid/mathstuff.h" />
+		<Unit filename="pyramid/oglpfuncs.cpp" />
+		<Unit filename="pyramid/oglpfuncs.h" />
+		<Unit filename="pyramid/oglstuff.cpp" />
+		<Unit filename="pyramid/oglstuff.h" />
+		<Unit filename="pyramid/pyramid.cpp" />
+		<Unit filename="pyramid/pyramid.h" />
+		<Extensions />
+	</Project>
+</CodeBlocks_project_file>

samples/samples.workspace

@@ -91,6 +91,7 @@
 		<Project filename="opengl/opengl_cube.cbp" />
 		<Project filename="opengl/opengl_isosurf.cbp" />
 		<Project filename="opengl/opengl_penguin.cbp" />
+		<Project filename="opengl/opengl_pyramid.cbp" />
 		<Project filename="propgrid/propgrid.cbp" />
 		<Project filename="ribbon/ribbon.cbp" />
 		<Project filename="richtext/richtext.cbp" />