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 Ceil(A / B), but calculated faster and more precisely (without floating-point help).

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

Create spatial structure to resolve collisions in the given scene.

Returns TCastleStringList with tokens extracted from S.

Cubic (4 control points) Bezier curve (with all weights equal) in 1D.

Cubic (4 control points) Bezier curve (with all weights equal) in 3D.

Parse a string according to the given format, returning the values corresponding to placeholders %x in format string.

Remove from the FileName the last extension (including the dot).

Delete extension of the URL.

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

Like DivMod (return result of Integer division and a remainder), but always return Remainder >= 0.

Like DOMGetAttribute, but reads Boolean value.

Like DOMGetAttribute, but reads Float value.

Like DOMGetAttribute, but reads Single value.

Return a stream to read given URL.

Draw a circle.

Draw a circle outline.

Draw primitive, using a stipple (pattern) for line rendering.

Detect connected joysticks.

Nice exception description.

Full (absolute) FileName to executable file of this program.

Extracts two last extensions from the filename, if it has two extensions.

Extract filename (last part after slash) from URL.

The default font, used throughout the engine as a fallback.

Calculate LookDirMatrix (or it's inverse), fast.

Execute ffmpeg.

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

Convert filename to URI.

Free and nil IfcClasses.

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.

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 (whether it was unused or not).

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.

Save IFC to JSON.

Convert IFC file to X3D.

Choose TCastleImage descendant best matching for this image file format.

Guess MIME type from image extension.

Include / exclude the last path delimiter, if necessary.

Surface area of indexed convex polygon.

Calculates normalized normal vector for polygon composed from indexed vertices.

Normal vector of a triangle defined as three indexes intro vertex array.

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

Make sure IfcClasses is assigned and filled with contents.

Initialize logging.

Construct TInputMotion.

Floor from Sqrt(Value).

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

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 given string S start with Prefix and end with Suffix, moreover the prefix and suffix are not overlapping.

Find a range within "key" field corresponding to given Fraction.

Like CharToNiceStr, but accepts UTF-8 characters expressed as String.

Last log messages.

Linear interpolation between two vector values.

Endianess conversion for vectors (little endian to native).

Coefficients of the 2D line equation (Ax + By + C = 0), given 1 point lying on the line, and non-zero line direction.

Intersection of two 2D lines.

Load GetText MO file from and URL.

Load a scene as X3D node from TStream.

File filters for files loaded by TCastleSceneCore.Load and LoadNode.

Load image suitable for a texture.

Load VRML/X3D file in classic encoding from a string.

Where is the log output going.

Adjust and return the V1 vector to force V1 and V2 to be orthogonal, but keep the 3D plane determined by V1 and V2 unchanged.

Adjust the V1 vector to force V1 and V2 to be orthogonal, but keep the 3D plane determined by V1 and V2 unchanged.

Linearly map value from a one range to another.

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

Tries change URI to use castle-data: protocol.

Set contents of TMemoryStream to given string, in UTF-8 or UTF-16 (matching default String) encoding.

Set contents of TMemoryStream to given string, in UTF-8 encoding.

Ask user to choose one option from many.

Ask user to input a string.

Ask user to input an unsigned integer.

Ask user to input a string, or cancel.

Ask user to input a value in hexadecimal.

Ask user for simple confirmation.

Auto-created single instance of TMessaging to communicate between native code (Pascal) and other languages (Java on Android, Objective-C on iOS).

Determine pressed modifier keys (ctrl, shift and so on).

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.

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.

Process URL through events registered by AddLoadImageListener.

Simple measure of process CPU time.

Single instance of TCastleProfiler that you can use for all profiling.

The name of our program.

Propose a name for given component class, making it unique in given ComponentsOwner.

Quaternion with given vector.

Calculate unit quaternion representing rotation around Axis by AngleRad angle (in radians).

Random Float value in the given range, result is between RangeBegin and RangeEnd.

Random integer value in the given range, result is always >= RangeBegin and < RangeEnd.

Random int value in the given range, result is always >= RangeBegin and <= RangeEnd.

Read a growing stream, and append it to another destination stream.

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

Register custom TCastleClipboard implementation, that replaces the global Clipboard.

Is given protocol name registered with RegisterUrlProtocol.

Register a component that can be serialized and edited using CGE editor.

Returns True if file exists and is a "regular" file.

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.

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.

Convert float vectors into byte vectors.

Construct an initialized TVector2Double value.

Construct an initialized TVector3Double value.

Construct an initialized TVector3 value.

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

Construct an initialized TVector4Double value.

Construct an initialized TVector4 value.

Various compatibility functions (on vectors and matrices)

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