Lua scripting

3D Math

• vec3(x, y, z)
• length(vec3)
• normalize(vec3)
• dot(vecA, vecB)
• cross(vecA, vecB)

Input

• isKeyPressed(key)
• onKeyDown(key)
• onKeyUp(key)
• getAxis(axis)
• getProperty("propertyName")
• getTouchPosition(touchId)
• getLastTouchPosition(touchId)
• getTouchPhase(touchId)

Scene

• getScene("sceneName")
• changeScene(scene)
• getCurrentSceneId()
• getScenesNumber()

Level

• loadLevel("levelName")

System

• centerCursor()
• hideCursor()
• showCursor()
• getWindowScale()
• getSystemTick()
• quit()
• dofile("filename.lua")

Animation

• getCurrentAnimation(object)
• changeAnimation(object, animationId)
• isAnimationOver(object)
• getAnimationSpeed(object)
• setAnimationSpeed(object, speed)
• getCurrentFrame(object)
• setCurrentFrame(object, frame)

Sound

• playSound(object)
• pauseSound(object)
• stopSound(object)
• getSoundGain(object)
• setSoundGain(object, gain)

Text

• setText(object , "text")
• getText(object)
• getTextColor(object)
• setTextColor(object, {r, g, b, a})

Camera

• changeCurrentCamera(object)
• getCurrentCamera()

• getCameraClearColor(object)
• getCameraFov(object)
• getCameraNear(object)
• getCameraFar(object)
• getCameraFogDistance(object)
• isCameraOrtho(object)
• isCameraFogEnabled(object)
• setCameraClearColor(object, {r, g, b})
• setCameraFov(object, fov)
• setCameraNear(object, near)
• setCameraFar(object, far)
• setCameraFogDistance(object, fogDistance)
• enableCameraOrtho(object, ortho)
• enableCameraFog(object, fog)

• enableCameraLayer(object, scene)
• disableCameraLayer(object)
• enableRenderToTexture(object, "textureName", renderWith, renderHeight)
• disableRenderToTexture(object)

• getProjectedPoint(object, point)
• getUnProjectedPoint(object, point)

Object

• getObject("objectName")
• getParent(object)
• getChilds(object)
• getClone(object)
• setParent(object, parent)
• getName(object)
• activate(object)
• deactivate(object)
• isVisible(object)
• isActive(object)

• enableShadow(object, shadow)
• isCastingShadow(object)

Transformation

• rotate(object, {x, y, z}, angle, "local")
• translate(object, {x, y, z}, "local")

• getPosition(object)
• getRotation(object)
• getScale(object)
• setPosition(object, {x, y, z})
• setRotation(object, {x, y, z})
• setScale(object, {x, y, z})

• getTransformedPosition(object)
• getTransformedRotation(object)
• getTransformedScale(object)
• getInverseRotatedVector(object)
• getRotatedVector(object)
• getInverseVector(object)
• getTransformedVector(object)

• updateMatrix(object)
• getMatrix(object)

Behavior

• getBehaviorVariable(object, behaviorId, "variableName")
• setBehaviorVariable(object, behaviorId, "variableName", value)

Physics

• setGravity({x, y, z})
• getGravity()
  
  
• getLinearDamping(object)
• setLinearDamping(object, damping)
• getAngularDamping(object)
• setAngularDamping(object, damping)
• getLinearFactor(object)
• setLinearFactor(object, {x, y, z})
• getAngularFactor(object)
• setAngularFactor(object, factor)
• getMass(object)
• setMass(object, mass)
• getFriction(object)
• setFriction(object, friction)
• getRestitution(object)
• setRestitution(object, restitution)

• clearForces(object)
• addCentralForce(object, {x, y, z}, "local")
• addTorque(object, {x, y, z}, "local")
• getCentralForce(object)
• getTorque(object)
• isCollisionTest(object)
• isCollisionBetween(object1, object2)
• getNumCollisions(object)
• rayHit(start, end)

Light

• getLightColor(object)
• getLightRadius(object)
• getLightIntensity(object)
• getLightShadowQuality(object)
• getLightShadowBias(object)
• getLightShadowBlur(object)
• getLightSpotAngle(object)
• getLightSpotExponent(object)
• setLightColor(object, {r, g, b})
• setLightRadius(object, radius)
• setLightIntensity(object, intensity)
• setLightShadowQuality(object, quality)
• setLightShadowBias(object, bias)
• setLightShadowBlur(object, blur)
• setLightSpotAngle(object, spotAngle)
• setLightSpotExponent(object, exponent)

Keyboard

• A to Z
• 0 to 9
• F1 to F12
• BACKSPACE
• TAB
• ESCAPE
• SPACE
• DELETE
• ENTER
• UP
• DOWN
• LEFT
• RIGHT
• RSHIFT
• LSHIFT
• RCONTROL
• LCONTROL
• RALT
• LALT

Mouse

• MOUSE_BUTTON1
• MOUSE_BUTTON2
• MOUSE_BUTTON3

Accelerometer

• MOTION_X
• MOTION_Y
• MOTION_Z

• ACCEL_X
• ACCEL_Y
• ACCEL_Z

• GRAVITY_X
• GRAVITY_Y
• GRAVITY_Z

• YAW
• PITCH
• ROLL

Mouse

• MOUSE_X
• MOUSE_Y

Lua Documentation

• Lua official website
• Programming in Lua ebook
• Lua Programming Gems ebook
• All Lua in one page
• Lua syntax overview by Nick Gammon

Tools

• Decoda - Lua IDE and debugger

Code Snippets

• Hello World
• Object programming
• Object Oriented Programming in Maratis