All Functions and Procedures

Make sure that the URI is absolute (always has a protocol).

Convert between lowercase activity name and TUserActivity type.

Add all image extensions (with leading dots) (unless they are already there).

All image URLs are processed by this event before loading.

Calculate second viewing angle for perspective projection.

Maximum alpha channel type.

Angle between a 2D line segments and OX axis.

Return, deterministically, some vector orthogonal to V.

Single global instance of TCastleApplication.

When you really, really must approximate a 3D or 2D scale by a single float.

Assuming that Vector1 and Vector2 are parallel, check do they point in the same direction.

Search the array for a given value.

Find last occurrence of SubString within S.

Endianess conversion for vectors (big endian to native).

Exponent of the largest power of 2 that it's still <= Value.

Smallest possible box enclosing a sphere with Center, Radius.

Calculate bounding box of a set of 3D points.

Calculate bounding box of a set of indexed 3D points.

Calculate suitable camera to see everything using an orthographic projection.

Current application mode, see TCastleApplicationMode for various possible values.

Are we in design-time now.

Just like standard GetTickCount64 function, but works on all platforms supported by CGE.

Just like standard Randomize function, but works on all platforms supported by CGE.

Just like standard Today function, but works on all platforms supported by CGE.

Use this instead of FPC TranslateResourceStrings.

Catmull-Rom spline low-level function.

Returns FileName with directory (path) part replaced with given NewPath.

Change extension of the URL.

Check condition.

Remove file.

Check is memory filled with the given character.

Move file from Source to Dest.

Single global instance of TCastleClipboard.

Change color opacity (alpha).

Set color values for two other channels to 0.

Change color into a hexadecimal notation of it (like in HTML).

Return absolute URI, given base and relative URI.

Create a clone ("deep copy") of given component.

Save / load TComponent (or any descendant) to a .castle-component, .castle-user-interface or .castle-transform file.

Return S[StartPosition..EndPosition].

Count the amount of tokens in the string

Open a proper stream to read a file, fast (with buffering) and with seeking.

Make sure Value is assigned and of NeededClass.

Cubic (4 control points) Bezier curve (with all weights equal) in 2D.

Convert CGE to LCL cursor type.

Convert DateTime to string in the form "date at time".

Decode color from integer value, following VRML/X3D SFImage specification.

Convert degrees to radians, consistent with CastleScript deg() function and display of rotations in CGE editor.

Delete from S range of characters [StartPosition..EndPosition].

Convert digit character (like '0') to a number (like 0).

Calculate size of all files in this dir.

Retrieves from Element attribute Value and returns True, or (if there is no such attribute) returns False and does not modify Value.

Like DOMGetAttribute, but reads Cardinal value.

Like DOMGetAttribute, but reads Integer value.

Gets a child of Element named ChildName, and gets text data within this child.

Draw a simple 2D primitive with a given color.

Draw a rectangle filled with a color.

Draw a rectangle frame.

Check if the two RGB colors are equal, ignoring small differences.

Write using a dialog box or console.

Expand tilde (˜) in path, just like shell.

Extracts from FileName the name of file, without directory, without last extension and without any Windows drive letter.

Extract path (everything before last part), including final slash, from URL.

Fallback (do not change this, ever) theme.

Returns full path to ffmpeg-compatible executable.

Does given MIME type looks like a video file extension that can be handled (encoded or decoded) by ffmpeg.

Convert file filters into FMX Dialog.Filter, Dialog.FilterIndex.

Deprecated names, use the identifiers without "Open" in new code.

Substitute %d in given URL (UrlPattern) with successive numbers, until the resulting URL (which can be just a filename) doesn't exist.

Not necessary.

Read file or URL contents to a string.

Like FindFiles, but return found files as a list.

Find first file matching given Mask inside Path, always ignores case (regardless of OS conventions).

Find first occurrence of character in Delimiters.

Calculate Float modulo of division on two Float arguments.

Various compatibility functions (on Single)

Display float as nice concise number to read (but not necessarily with absolute precision): always decimal, no digits after dot if not necessary, show some digits (but not too many - right now 2) after dot if they are meaningful.

Like standard FloatToStr, but always uses dot (.) as a decimal separator for the floating point numbers, regardless of the user's locale settings.

Force using FallbackFont (thus, ignore TCastleContainer.DefaultFont) and FallbackTheme (thus, disable any Theme customizations) in this UI.

Single instance of TCastleFrameProfiler that you can use for frame profiling.

Free TX3DNode if it is unused (see TX3DNode.FreeIfUnused), setting reference to Nil.

Generate GetText PO file contents that can be used as a basis for translators to localize this component.

Get temporary FileName, suitable for ApplicationName, checking that it doesn't exist.

Generate text to insert to POT (PO template) to allow translating given text.

Decompress texture image by loading it to a temporary OpenGL(ES) texture and reading back.

If Tex <> 0 then it does glDeleteTextures on Tex and sets Tex to 0.

Multiline string describing attributes of current OpenGL(ES) library.

Comfortably load all six cube map texture images.

Calculate color luminance (intensity), for converting color to grayscale.

Hermite spline.

Convert hexadecimal color notation (like in HTML) into an RGBA color.

User's home directory, with trailing PathDelim.

Check if both arrays contain exactly the same classes in the same order.

Return appropriate OpenGL format and type constants for given TCastleImage descendant.

Calculate normal vector of possibly concave polygon.

Index (0, 1 or 2) of maximum / minimum of 3 numbers.

Output messages, using console or dialog box.

Check is Image class one of the items in the ImageClasses array, or a descendant of one of them.

Initialize logging.

Construct TInputMotion.

Floor from Sqrt(Value).

Convert integer to hexadecimal (base-16 numeric system).

Convert integer to string, inserting additional Separator to visually delimit thousands, milions etc.

Convert integer to string, padding string with zeros if needed.

Tests for collision between box3d centered around (0, 0, 0) and a plane.

Is any OpenGL context open.

Check is memory filled with the given character.

Check is memory filled with the Word (2 byte sequence).

Just like IsPathAbsolute, but on Windows accepts also paths that specify full directory tree without drive letter.

Check is Value an exact power of 2.

Does image have proper size for 2D OpenGL texture.

Check triangle with line segment collision.

Test collision between triangle and sphere in 2D.

Global joystick manager object.

Convert TKey and/or character code into Lazarus key code (VK_xxx) and shift state.

Convert Key (Lazarus key code) to Castle Game Engine TKey.

Describe given key.

Linear interpolation between two values.

Given two colors in RGB, interpolate them in HSV space.

Endianess conversion for vectors (little endian to native).

Coefficients of the 2D line equation (Ax + By + C = 0), given 2 different points lying on the line.

List available image file formats.

Load image to TEncodedImage format.

Load OpenGL texture into already reserved texture number.

Load new texture to OpenGL.

The ultimate procedure to load an image from a file or URL.

Load a scene as X3D node.

Load VRML/X3D file in classic encoding, return it's root node.

Convert uppercase letters to lowercase.

Camera matrix to look at the specified point (or along the specified direction).

Adjust the V1 vector to force given angle between V1 and V2.

Convert between Double-precision and Single-precision matrix.

Decompose a matrix that is composition of 3D translation, rotation and scale.

Which coordinate (0, 1, 2, and eventually 3 for 4D versions) is the largest.

Search for menu item with given SmallId.

Ask user to input a floating-point number.

Ask user to press any key, return this key as Keys.TKey.

Ask user to press anything (key or mouse button or mouse wheel), and return it.

Simply add and subtract two TMilisecTime values.

Update value of A to be a minimum of A, B.

Convert ModelView matrix to a Normal matrix, just like 3D graphic libraries do.

Convert Lazarus TMouseButton value to Castle Game Engine TCastleMouseButton.

Calculate power Base to Exponent, knowing both arguments (and so, also the result) are >= 0.

NextTokenOnce works just like NextToken, but doesn't advance the SeekPos position.

Interpolate between two rotations, along the straightest path on the unit sphere.

This normalizes Plane by scaling all four coordinates of Plane so that length of plane vector (taken from 1st three coordinates) is one.

Called when last OpenGL context closes.

Simple on-screen notification using Android "toast" call.

Open a local file or directory.

Return a multiline command-line option help, containing the option name and description, nicely indented and broken into multiple lines.

Assign the smaller value from X, Y to Smaller variable, the other one to Larger variable.

Convert camera direction and up vectors into a rotation (X3D "orientation" vector).

Convert camera direction and up vectors into a "rotation quaternion".

Convert rotation (X3D orientation) to an up vector, reversing the OrientationFromDirectionUp.

If not TrueValue then RaiseLastOSError.

PAnsiCharOrNil simply returns a Pointer(S), you can think of it as a NO-OP.

Parse a CastleScript expression that should be calculated to a boolean value.

Parse constant Int64 expression.

Parse a CastleScript expression that should be calculated to a float value.

Parse a CastleScript expression that should be calculated to a string value.

PCharOrNil simply returns a Pointer(S), you can think of it as a NO-OP.

Calculate projection matrix, and set RenderContext.ProjectionMatrix to given value.

Move a plane by a specifed vector.

Transform plane by a matrix.

Returns Ptr as 0xXXX...

Orthogonally project a point on a plane, that is find a closest point to Point lying on a Plane.

Check if both points are on the same side of given 3D plane.

Distance from a point to a plane (with already normalized direction).

Calculate polygon area.

Removes the prefix, if it is present.

Current time, local to this process.

Subtract two times obtained from ProcessTimer, A-B, return a difference in seconds.

PWideCharOrNil simply returns a Pointer(S), you can think of it as a NO-OP.

Initialize rotation quaternion from a 3x3 matrix that contains only rotation.

Random -1 or +1.

Replace all sequences like %xx with their actual 8-bit characters.

Read a growing stream, and returns it's contents as a string.

Read-only list of currently registered (using RegisterSerializableComponent) components.

Register given model format, to enable loading and/or saving it using LoadNode, SaveNode and all routines on top of them, like TCastleSceneCore.Load.

Register how we can load and/or save the URLs with given protocol.

If this URL indicates something inside the CGE data directory then return URL relative to this data directory.

Remove the directory DirName, recursively, unconditionally, with all the files and subdirectories inside.

Resize the image to a size accepted as GL_TEXTURE_2D texture size for OpenGL.

If the given URL uses "castle-data:..." protocol, resolve it, returning a URL that does not use "castle-data:..." protocol any more.

Remaining 3D coordinates (0, 1 or 2) except the given coordinate, in order to cycle.

Rotate Point around the given axis by a given angle.

Rotate Point around the Axis by given Angle.

Signed angle between two vectors, in radians.

Negate a rotation expressed as axis-angle (3 components for axis, 1 for angle).

Smallest multiple of Multiplicator that is still >= Value.

Compare strings, taking into account current locale.

Appends to a string S DataSize bytes from Data.

File filters for files saved by SaveNode.

Recommended path where to put screenshots on the current platform.

Save the current color buffer contents to image.

Extract scale from matrix.

A pointer to S[CharNum], that is just @S[CharNum], avoiding range checking.

Check whether S[Index] = C, also checking is Index within S length.

Name and version of the Pascal compiler used to compile this unit.

Returns S with all chars in ExcludedChars deleted.

Returns suffix of S starting from position P.

Convert a set to a string representation, in somewhat hacky way.

Protect characters from being interpreted as special HTML sequences by TCastleAbstractFont.Print with Html = True parameter.

Smallest exponent such that 2ˆthis exponent is >= Value.

Trivial factorial with Int64 result.

Smoothly change Source to Target.

The sound engine.

Checks is the directory name special, like "." or "..".

Searches for %x patterns and replaces them with specified strings.

Split a string by a character delimiter.

Returns S with each underscore '_' replaced by two underscores, '__'.

Replace typically unreadable characters in string S with #number notation.

Replace all occurrences of characters in FromChars with the new string / character.

Return rightmost RPart characters from S.

Read one character from stream.

Convert whole Stream to a string.

Convert string with hexadecimal number to an integer.

Copy all characters from given string, from given position.

Replace all occurrences of FromPattern string to ToPattern string, within another string S.

Splits S by Splitter, and adds each splitted part to Strings.

Make sure we don't have more than MaxCount strings on a list.

Convert string to TTextureCompression enum.

Convert all special Unicode characters in the given string to HTML entities.

Convert between lowercase activity confidence name and TUserActivityConfidence type.

Like standard StrToFloat, but always uses dot (.) as a decimal separator for the floating point numbers, regardless of the user's locale settings.

Remove from the string S everything after the first hash "#" character.

Return the value to reproduce exactly string S by Format procedure.

Swap variables values.

Replace contents of 2 variables.

Returns the language code of the system language.

Pad (fill from the left) with zeros string S, until length of resulting string is at least Len.

Return wrap GL_CLAMP_TO_EDGE in both directions.

Part of CastleGLImages unit: texture filtering (TTextureFilter and friends).

Theme that you can customize, used by default by all UI controls.

Intersection of three 3D planes, results in a single 3D point.

Subtract two times obtained from Timer, A-B, return a difference in seconds.

Check is SecondTime larger by at least TimeDelay than FirstTime.

Transform vector into new coordinate space.

Transform coordinates to / from a coordinate system.

Translate all future designs (component hierarchies) loaded using CastleComponentSerialize using the given GetText MO file.

Enumerate all properties that are possible to translate in this component and its children.

Triangulate convex polygon.

Triangulate potentially non-convex face.

Intersection between an (infinitely tall) cylinder and a ray.

Try to inverse single-precision matrix using double-precision, if necessary.

Plane and ray intersection.

Like standard TryStrToFloat, but always uses dot (.) as a decimal separator for the floating point numbers, regardless of the user's locale settings.

Calculate triangle with ray collision.

Intersection of two 3D planes.

Express single Unicode character code as a String that you can write.

Convert URI to a nice form for a short caption.

Return URI with anchor (if was any) stripped.

Convert URI to a nice form for display (to show in messages and such).

Does a file or directory exist under this URL.

Does a file exist, that is: whether it makes sense to load it with the Download function.

Calculate #anchor from an URI, and split it into a key-value map.

Map from an extension to a MIME type, used by UriMimeType.

Get MIME type for content of the URI without downloading the file.

Check does URI contain given Protocol.

Create a stream to save (write to) a given URL.

Use this to set sound engine backend to OpenAL.

Filename to store user configuration.

Convert UTF-16 (UnicodeString) to String.

Construct an initialized TVector2 value.

Convert float vectors into byte vectors.

Construct an initialized TVector2Double value.

Construct an initialized TVector2 value.

Construct an initialized TVector3Double value.

Construct an initialized TVector3 value.

Encode RGB color as Red + Green + Blue + Exponent format.

Construct an initialized TVector4 value.

Various compatibility functions (on vectors and matrices)

Are the two vectors parallel (one is a scaled version of another).