:: GLES
=> [V3]	List of vertices.
-> [V2]	List of UV coordinates.
-> [V3]	List of normals.
-> [Word16]	Triangles expressed as triples of indices to the three lists above.
-> Geometry Geometry3

Create a 3D Geometry. The first three lists should have the same length.

Textures

module FWGL.Graphics.Color

data Texture Source

A texture.

textureURL Source

Arguments

:: String	URL
-> Texture

Creates a Texture from an URL or a local file.

textureFile :: String -> Texture Source

The same as textureURL.

colorTex :: GLES => Color -> Texture Source

Generate a 1x1 texture.

mkTexture Source

Arguments

:: GLES
=> Int	Width.
-> Int	Height.
-> [Color]	List of pixels
-> Texture

Creates a Texture from a list of pixels.

Transformations

data V3 Source

Three-dimensional vector.

Constructors

V3 !Float !Float !Float

Instances

Eq V3
Show V3
Storable V3
Hashable V3
GLES => AttributeCPU V3 V3
GLES => AttributeCPU CV3 Normal3
GLES => AttributeCPU CV3 Position3
GLES => UniformCPU V3 V3

pos :: V3 -> Element -> Element Source

Translate an Element.

rotX :: Float -> Element -> Element Source

Rotate an Element around the X axis.

rotY :: Float -> Element -> Element Source

Rotate an Element around the X axis.

rotZ :: Float -> Element -> Element Source

Rotate an Element around the X axis.

rotAA :: V3 -> Float -> Element -> Element Source

Rotate an Element around an axis and an angle.

scale :: Float -> Element -> Element Source

Scale an Element.

scaleV :: V3 -> Element -> Element Source

Scale an Element in three dimensions.

transform :: M4 -> Element -> Element Source

Transform an Element.

Layers

data Layer Source

An object associated with a program.

Element layers

elements :: BackendIO => [Element] -> Layer Source

Create a standard Layer from a list of Elements.

view :: BackendIO => M4 -> [Element] -> Layer Source

Create a Layer from a view matrix and a list of Elements.

Object layers

layer :: BackendIO => Object DefaultUniforms3D Geometry3 -> Layer Source

Create a Layer from a 3D Object, using the default shader.

layerPrg :: (BackendIO, Subset og pg) => Program pg Geometry3 -> Object og Geometry3 -> Layer Source

Create a Layer from a 3D Object, using a custom shader.

program :: DrawState -> Maybe (Program [] []) Source

Sublayers

subLayer Source

Arguments

:: Int	Texture width.
-> Int	Texture height.
-> Layer	Layer to draw on a `Texture`.
-> (Texture -> [Layer])	Layer to draw on the screen.
-> Layer

Use a Layer as a Texture on another.

Custom 3D objects

data Object gs is Source

An object is a set of geometries associated with some uniforms.

object :: BackendIO => M4 -> [Element] -> Object DefaultUniforms3D Geometry3 Source

Create a graphical Object from a list of Elements and a view matrix.

object1 :: BackendIO => Element -> Object `[Transform3, Texture2]` Geometry3 Source

Create a graphical Object from a single Element. This lets you set your own globals individually. If the shader uses the view matrix View3 (e.g. the default 3D shader), you have to set it with viewObject.

(~~) :: (Equal gs gs', Equal is is') => Object gs is -> Object gs' is' -> Object (Union gs gs') (Union is is') Source

Join two objects.

Globals

global :: (Typeable g, UniformCPU c g) => g -> c -> Object gs is -> Object (g : gs) is Source

Sets a global (uniform) of an object.

globalTexture :: (BackendIO, Typeable g, UniformCPU ActiveTexture g) => g -> Texture -> Object gs is -> Object (g : gs) is Source

Sets a global (uniform) of an object using a Texture.

globalTexSize :: (BackendIO, Typeable g, UniformCPU c g) => g -> Texture -> ((Int, Int) -> c) -> Object gs is -> Object (g : gs) is Source

Sets a global (uniform) of an object using the dimensions of a Texture.

viewObject :: BackendIO => M4 -> Object gs Geometry3 -> Object (View3 : gs) Geometry3 Source

Set the value of the view matrix of a 3D Object.

type DefaultUniforms3D = Uniforms Source

The uniforms used in the default 3D program.

data Texture2 Source

Instances

ShaderType Texture2
Typeable * Texture2
GLES => UniformCPU CSampler2D Texture2

data Transform3 Source

Instances

ShaderType Transform3
Typeable * Transform3
GLES => UniformCPU CM4 Transform3

data View3 Source

Instances

ShaderType View3
Typeable * View3
GLES => UniformCPU CM4 View3

3D matrices

data V4 Source

Four-dimensional vector.

Constructors

V4 !Float !Float !Float !Float

Instances

Eq V4
Show V4
Storable V4
Hashable V4
GLES => AttributeCPU V4 V4
GLES => UniformCPU V4 V4

data M4 Source

4x4 matrix.

Constructors

M4 !V4 !V4 !V4 !V4

Instances

Eq M4
Show M4
GLES => UniformCPU M4 M4
GLES => UniformCPU CM4 View3
GLES => UniformCPU CM4 Transform3

mat4 :: (Float, Float, Float, Float, Float, Float, Float, Float, Float, Float, Float, Float, Float, Float, Float, Float) -> M4 Source

Create a 4x4 matrix.

mul4 :: M4 -> M4 -> M4 Source

4x4 matrix multiplication.

View matrices

perspectiveMat4 Source

Arguments

:: Float	Far
-> Float	Near
-> Float	FOV
-> Float	Aspect ratio
-> M4

4x4 perspective matrix.

cameraMat4 Source

Arguments

:: V3	Eye
-> Float	Pitch
-> Float	Yaw
-> M4

4x4 FPS camera matrix.

Transformation matrices

idMat4 :: M4 Source

4x4 identity matrix.

transMat4 :: V3 -> M4 Source

4x4 translation matrix.

rotXMat4 :: Float -> M4 Source

4x4 rotation matrix (X axis).

rotYMat4 :: Float -> M4 Source

4x4 rotation matrix (Y axis).

rotZMat4 :: Float -> M4 Source

4x4 rotation matrix (Z axis).

rotAAMat4 Source

Arguments

:: V3	Axis.
-> Float	Angle
-> M4

4x4 rotation matrix.

scaleMat4 :: V3 -> M4 Source

4x4 scale matrix.