abstract class Nya::Render::Backend

• Nya::Render::Backend
• Reference
• Object

Overview

Interface for graphics backend

Direct Known Subclasses

• Nya::Render::Backends::GL_SDL

Defined in:

nya/render/backend.cr

Class Method Summary

• .backends
• .backends=(backends : Hash(String, ::Nya::Render::Backend.class))

Instance Method Summary

• #apply_shader_vars(prog : ShaderProgram)
• #compile_shaders(program : ShaderProgram)
• #create_object(objtype : Symbol) : Metadata
• #current_camera : Camera
• #delete_object(m : Metadata)
• #delete_shaders(shp : ShaderProgram)
• #draw_camera(camera : Camera, &)

  Wraps the execution of a block with calls required to render a camera

• #draw_game_object(object : Nya::GameObject, &)

  Draws a game object

• #draw_mesh(mesh : Mesh)

  Draws a mesh

• #draw_texture(texture : Texture, x, y, w, h)

  Draws a texture at specified position

• #draw_texture(texture : Metadata, x, y, w, h)

  Draws a texture specified by low-level texture id at specified position

• #draw_texture(texture : Texture, pts : Array(CrystalEdge::Vector3))

  Draws a 3D texture

• #draw_texture(texture : Metadata, pts : Array(CrystalEdge::Vector3))

  ditto

• #draw_texture(texture : Texture2D)

  Draws a texture

• #draw_texture(texture : Texture3D)

  Draws a texture

• #has_title? : Bool
• #load_texture(m : Metadata, w, h, texture : Bytes)
• #max_textures : Int32
• #project(camera : Camera, point : CrystalEdge::Vector3) : CrystalEdge::Vector3
• #project(point : CrystalEdge::Vector3) : CrystalEdge::Vector3
• #quit
• #relink_program(prog : ShaderProgram)
• #render(&)
• #resizeable? : Bool
• #shader_extensions : Array(String)
• #shader_formats : Array(String)
• #size : CrystalEdge::Vector2
• #size=(size : CrystalEdge::Vector2)
• #supports_shaders? : Bool
• #title : String
• #title=(title : String)
• #unproject(camera : Camera, point : CrystalEdge::Vector3) : CrystalEdge::Vector3
• #unproject(point : CrystalEdge::Vector3) : CrystalEdge::Vector3
• #unuse_shader_program
• #update
• #use_shader_program(prog : ShaderProgram)
• #with_shader_program(shp : ShaderProgram | Nil, &)

Class Method Detail

Instance Method Detail