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lakshmi

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Lakshmi is a minimalistic OpenGL 2D game engine with Box2D physics and Lua scripting. Written in Odin.

1Open repo
Apache-2.0 · updated 1 year ago

Lakshmi

Lakshmi is an OpenGL 2D game engine with Box2D physics and Lua scripting. Written in Odin. Work in progress.

Lua API

List of available functions:

Window

  • LakshmiWindow.open(title, width, height)
  • LakshmiWindow.clearLoopCallback()
  • LakshmiWindow.clearResizeCallback()
  • LakshmiWindow.getDeltaTime()
  • LakshmiWindow.getDrawCount()
  • LakshmiWindow.setLoopCallback(callback)
  • LakshmiWindow.setResizeCallback(callback)
  • LakshmiWindow.setTargetFPS(fps)
  • LakshmiWindow.setVsync(vsync)
  • LakshmiWindow.quit()

Renderer

  • LakshmiRenderer.add(layer)
  • LakshmiRenderer.clear()
  • LakshmiRenderer.getSpriteCount()
  • LakshmiRenderer.setClearColor(r, g, b, a)

Camera

  • LakshmiCamera.setPos(x, y)
  • LakshmiCamera.setRot(angle)

Layer

  • LakshmiLayer.new()
  • LakshmiLayer.add(renderable)
  • LakshmiLayer.clear()
  • LakshmiLayer.setVisible(visible)

Sprite

  • LakshmiSprite.new(path)
  • LakshmiSprite.getColor(sprite)
  • LakshmiSprite.getPiv(sprite)
  • LakshmiSprite.getPos(sprite)
  • LakshmiSprite.getRot(sprite)
  • LakshmiSprite.getScl(sprite)
  • LakshmiSprite.getSize(sprite)
  • LakshmiSprite.getUV(sprite)
  • LakshmiSprite.isVisible(sprite)
  • LakshmiSprite.setColor(sprite, r, g, b, a)
  • LakshmiSprite.setPiv(sprite, x, y)
  • LakshmiSprite.setPos(sprite, x, y)
  • LakshmiSprite.setRot(sprite, angle)
  • LakshmiSprite.setScl(sprite, x, y)
  • LakshmiSprite.setSize(sprite, w, h)
  • LakshmiSprite.setUV(sprite, u, v, w, h)
  • LakshmiSprite.setVisible(sprite, visible)

Text

  • LakshmiText.new(font_path, text, size)
  • LakshmiText.getColor(text)
  • LakshmiText.getPiv(text)
  • LakshmiText.getPos(text)
  • LakshmiText.getRot(text)
  • LakshmiText.getScl(text)
  • LakshmiText.getSize(text)
  • LakshmiText.isVisible(text)
  • LakshmiText.setColor(text, r, g, b, a)
  • LakshmiText.setPiv(text, x, y)
  • LakshmiText.setPos(text, x, y)
  • LakshmiText.setRot(text, angle)
  • LakshmiText.setScl(text, x, y)
  • LakshmiText.setVisible(text, visible)

Box2D

World

  • LakshmiBox2DWorld.init()
  • LakshmiBox2DWorld.destroy()
  • LakshmiBox2DWorld.getBodyCount()
  • LakshmiBox2DWorld.setGravity(x, y)
  • LakshmiBox2DWorld.setUnitsPerMeter(upm)
  • LakshmiBox2DWorld.setUpdateSteps(steps)

Box

  • LakshmiBox2DBox.new(width, height, radius)

Capsule

  • LakshmiBox2DCapsule.new(radius, x1, y1, x2, y2)

Circle

  • LakshmiBox2DCircle.new(radius)

Polygon

  • LakshmiBox2DPolygon.new(vertices, radius)

Entity

  • LakshmiBox2DEntity.new(primitive, sensor)
  • LakshmiBox2DEntity.enable(entity)
  • LakshmiBox2DEntity.disable(entity)
  • LakshmiBox2DEntity.isEnabled(entity)
  • LakshmiBox2DEntity.isBullet(entity)
  • LakshmiBox2DEntity.applyForce(entity, x_force, y_force, x_point, y_point)
  • LakshmiBox2DEntity.applyLinearImpulse(entity, x_impulse, y_impulse, x_point, y_point)
  • LakshmiBox2DEntity.applyAngularImpulse(entity, impulse)
  • LakshmiBox2DEntity.applyTorque(entity, torque)
  • LakshmiBox2DEntity.getPos(entity)
  • LakshmiBox2DEntity.getRot(entity)
  • LakshmiBox2DEntity.getFriction(entity)
  • LakshmiBox2DEntity.getRestitution(entity)
  • LakshmiBox2DEntity.getLinearVelocity(entity)
  • LakshmiBox2DEntity.getAngularVelocity(entity)
  • LakshmiBox2DEntity.getCategoryBits(entity)
  • LakshmiBox2DEntity.getMaskBits(entity)
  • LakshmiBox2DEntity.getBodyType(entity)
  • LakshmiBox2DEntity.getUniqueID(entity)
  • LakshmiBox2DEntity.setBullet(entity, bullet)
  • LakshmiBox2DEntity.setPos(entity, x, y)
  • LakshmiBox2DEntity.setRot(entity, angle)
  • LakshmiBox2DEntity.setFriction(entity, friction)
  • LakshmiBox2DEntity.setRestitution(entity, restitution)
  • LakshmiBox2DEntity.setLinearVelocity(entity, x, y)
  • LakshmiBox2DEntity.setAngularVelocity(entity, angle)
  • LakshmiBox2DEntity.setCategoryBits(entity, category_bits)
  • LakshmiBox2DEntity.setMaskBits(entity, mask_bits)
  • LakshmiBox2DEntity.setBodyType(entity, body_type)
  • LakshmiBox2DEntity.setCollisionCallback(entity, callback)
  • LakshmiBox2DEntity.clearCollisionCallback(entity)

Keyboard

  • LakshmiKeyboard.clearCallback()
  • LakshmiKeyboard.setCallback(callback)

Gamepad

  • LakshmiGamepad.isPresent()
  • LakshmiGamepad.clearCallback()
  • LakshmiGamepad.setCallback(callback)

Audio

System

  • LakshmiAudioSystem.init()
  • LakshmiAudioSystem.destroy()
  • LakshmiAudioSystem.add(channel)
  • LakshmiAudioSystem.clear()

Channel

  • LakshmiAudioChannel.new(is_streamed)
  • LakshmiAudioChannel.add(channel, name, path)
  • LakshmiAudioChannel.play(channel, name)
  • LakshmiAudioChannel.pause(channel)
  • LakshmiAudioChannel.stop(channel)
  • LakshmiAudioChannel.setVolume(channel, volume)
  • LakshmiAudioChannel.setPan(channel, pan)
  • LakshmiAudioChannel.setLoop(channel, loop)
  • LakshmiAudioChannel.clear(channel)

JSON

  • LakshmiJSON.decode(json_string)
  • LakshmiJSON.encode(lua_table)

License

This project is licensed under the Apache 2.0 License. For more information, see the LICENSE file.

Maintainers