molly-syntax-def.md

The Molly Programming Language

Syntax

Variable declaration

OK:

var a = 12;
var b;

Not OK:

var a = 12, b;

Operations supported

+, -, *, /, %, <, <=, >, >=, ==

Types

int, float, boolean, string

While loops

Example:

var a = 10;
while(a > 0) {
	a = a - 1;
}

Visualisation API

int addLine(
  int startX, int startY,
  int endX, int endY,
  int thickness,
  int r, int g, int b, int a)

Adds a new line on the screen. Returns the id of the line.

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int addCircle(
  int x, int y, int radius,
  int r, int g, int b, int a)

Adds a new circle on the screen. Returns the id of the line.

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bool setColour(int id, int r, int g, int b, int a)

Sets the colour of the shape with the given id.

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bool setLineCoordinates(int id,
  int startX, int startY,
  int endX, int endY)

Sets the coordinates of the line with the given id.

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bool setCircleCoordinates(int id, int x, int y)

Sets the coordinates of the circle with the given id.

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bool delete(int id)

Deletes the shape with the given id.

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