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-(ns ^{:doc "Quil middleware."}
- quil.middleware
- (:require [quil.middlewares.fun-mode :as fun-mode]
- #?(:clj [quil.middlewares.pause-on-error :as pause-on-error])
- [quil.middlewares.navigation-3d :as navigation-3d]
- [quil.middlewares.navigation-2d :as navigation-2d]
- ))
-
-(defn ^{:requires-bindings false
- :category "Middleware"
- :subcategory nil
- :ns "quil.middleware"
- :added "2.1.0"}
- fun-mode
- "Introduces function mode. Adds 'update' function which takes current
- state and returns new state. Makes all other functions (setup, draw,
- mouse-click, etc) state-aware. See wiki for more details."
- [options]
- (fun-mode/fun-mode options))
-
-#?(:clj
-(defn ^{:requires-bindings false
- :category "Middleware"
- :subcategory nil
- :ns "quil.middleware"
- :added "2.2.0"}
- pause-on-error
- "Pauses sketch if any of user-provided handlers throws error.
- It allows to fix the error on the fly and continue sketch.
- May be good alternative to default '500ms pause if exception'
- behaviour."
- [options]
- (pause-on-error/pause-on-error options)))
-
-(defn ^{:requires-bindings false
- :category "Middleware"
- :subcategory nil
- :ns "quil.middleware"
- :added "2.2.0"}
- navigation-3d
- "Enables navigation in 3D space. Similar to how it is done in
- shooters: WASD navigation, space is go up, drag mouse to look around.
- This middleware requires fun-mode.
-
-
- Navigation
-
- * Drag mouse to look around. You can change settings to bind
- mouse-moved instead of mouse-dragged to look around. See
- customization info below.
-
- * Keyboard:
- * w - go forward
- * s - go backward
- * a - strafe left
- * d - strafe right
- * space - go up
- * z - go down, can't bind to ctrl, limitation of Processing
-
-
- Customization
-
- You can customize this middleware by providing map as
- :navigation-3d option in defsketch/sketch. Map can have following
- optional keys:
-
- :position - vector of 3 numbers, initial camera position. Default
- is the same as in 'camera' function.
-
- :straight - vector of 3 numbers, direction you'll be looking at.
- Default is [0 0 -1] (looking down).
-
- :up - vector of 3 numbers, 'up' direction. Default is [0 1 0].
-
- :pixels-in-360 - number, mouse sensitivity. Defines how many pixels
- you need to move/drag you mouse to rotate 360 degrees.
- The less the number the more sensitive is mouse.
- Default is 1000.
-
- :step-size - number, number of pixels you move on each key event (wasd).
- Default is 20.
-
- :rotate-on - keyword, either :mouse-dragged or :mouse-moved. Specifies
- on which mouse event camera should rotate. Default is
- :mouse-dragged.
-
-
- Accessing position information from sketch
-
- navigation-3d uses fun-mode under the hood so all position-related
- information is stored in the state map. It means that you can access in
- draw/update/any handler and modify it if you need to. Position
- information is a map which is stored under :navigation-3d key in the
- state map. Position consists of 3 values: :position, :straight and :up.
- See \"Customization\" section above for more details.
-
- Usage example:
-
- (q/defsketch my-sketch
- ...
- :middleware [m/fun-mode m/navigation-3d])
-
- See wiki article for more(?) details:
- https://github.com/quil/quil/wiki/Navigation-3D"
- [options]
- (navigation-3d/navigation-3d options))
-
-(defn ^{:requires-bindings false
- :category "Middleware"
- :subcategory nil
- :ns "quil.middleware"
- :added "2.2.6"}
- navigation-2d
- "Enables navigation over 2D sketch. Drag mouse to change the center of the
- sketch and mouse wheel controls zoom. This middleware requires fun-mode.
-
- Customization
-
- You can customize this middleware by providing map as
- :navigation-2d option in defsketch/sketch. Map can have following
- optional keys:
-
- :position - vector of 2 numbers, x and y - center of the screen.
- Default is width/2, height/2.
-
- :zoom - number indicating current zoom level. Default is 1.
-
- Accessing position information from sketch
-
- navigation-2d uses fun-mode under the hood so all position-related
- information is stored in the state map. It means that you can access in
- draw/update/any handler and modify it if you need to. Position
- information is a map which is stored under :navigation-2d key in the
- state map. Position consists of 2 values: :position and :zoom.
- See \"Customization\" section above for more details.
-
- Usage example:
-
- (q/defsketch my-sketch
- ...
- :middleware [m/fun-mode m/navigation-2d])
-"
- [options]
- (navigation-2d/navigation-2d options))