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Updated gdscript (markdown)

okamstudio 2014-02-24 04:09:08 -08:00
parent 6085739a05
commit e76abd9b3c
1 changed files with 10 additions and 5 deletions
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15
gdscript.md

@ -139,7 +139,8 @@ The following is the list of supported operators and their precedence (TODO, cha
Anything from a ’#’ to the end of the line is ignored and is considered a comment.
```python
# This is a comment```
# This is a comment
```
# Built-in Types
@ -304,7 +305,8 @@ Variables can exist as class members or local to functions. They are created wit
var a # datatype is null by default
var b = 5
var c = 3.8
var d = b+c # variables are always initialized in order```
var d = b+c # variables are always initialized in order
```
## Constants
Constants are similar to variables, but must be constants or constant expressions and must be assigned on initialization.
@ -316,7 +318,8 @@ const c = 10+20 # constant expression
const d = Vector2(20,30).x # constant expression: 20
const e = [1,2,3,4][0] # constant expression: 1
const f = sin(20) # sin() can be used in constant expression
const g = x+20 # invalid, not a constant expression!```
const g = x+20 # invalid, not a constant expression!
```
## Functions
Functions always belong to a class. The scope priority for variable look-up is: local -> class member -> global. “self” is provided as an option for accessing class members but is not required always (and must *not* be defined as first parameter, like in Python). For performance reasons, functions are not considered class members, so they can’t be referenced directly. A function can return at any point. The default return value is null.
@ -349,7 +352,8 @@ Simple loops are created by using *while* syntax. Loops can be broken using *bre
```python
while [expression]:
statement(s)```
statement(s)
```
### for
To iterate a range, array or table a *for* loop is used. For loops store the index in the loop variable on each iteration.
@ -400,7 +404,8 @@ extends "somefile.gd"
# extend from a subclass in another file
extends "somefile.gd".Subclass ```
extends "somefile.gd".Subclass
```
## Inheritance Testing
It is possible to check if an instance inherits from a given class. For this the “extends” keyword can be used as an operator instead: