Spelling fixes

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@6458 dfc29bdd-3216-0410-991c-e03cc46cb475

include/ISceneNode.h

@@ -65,7 +65,7 @@ namespace scene
 
 		//! This method is called just before the rendering process of the whole scene.
 		/** Nodes may register themselves in the render pipeline during this call,
-		precalculate the geometry which should be renderered, and prevent their
+		precalculate the geometry which should be rendered, and prevent their
 		children from being able to register themselves if they are clipped by simply
 		not calling their OnRegisterSceneNode method.
 		If you are implementing your own scene node, you should overwrite this method

include/matrix4.h

@@ -2057,7 +2057,7 @@ namespace core
 		core::vector3df v(vs);
 		v.normalize();
 
-		// cosinus angle
+		// cosine angle
 		T ca = f.dotProduct(t);
 
 		core::vector3df vt(v * (1 - ca));
@@ -2118,7 +2118,7 @@ namespace core
 		// axis multiplication by sin
 		const core::vector3df vs = look.crossProduct(from);
 
-		// cosinus angle
+		// cosine angle
 		const f32 ca = from.dotProduct(look);
 
 		core::vector3df vt(up * (1.f - ca));

source/Irrlicht/COBJMeshFileLoader.cpp

@@ -420,7 +420,7 @@ COBJMeshFileLoader::SObjMtl* COBJMeshFileLoader::findMtl(const core::stringc& mt
 		Materials.getLast()->Group = grpName;
 		return Materials.getLast();
 	}
-	// we found a new group for a non-existant material
+	// we found a new group for a non-existent material
 	else if (grpName.size())
 	{
 		Materials.push_back(new SObjMtl(*Materials[0]));

source/Irrlicht/COpenGLDriver.h

@@ -443,7 +443,7 @@ namespace video
 		core::matrix4 Matrices[ETS_COUNT];
 		core::array<u8> ColorBuffer;
 
-		//! enumeration for rendering modes such as 2d and 3d for minizing the switching of renderStates.
+		//! enumeration for rendering modes such as 2d and 3d for minimizing the switching of renderStates.
 		enum E_RENDER_MODE
 		{
 			ERM_NONE = 0,	// no render state has been set yet.