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Color-theory updates and related API changes. (#50)

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Rewamp the scene api, add circle plots, add blender flips, fix caching issue in driver, fix bug in partialSvg.


Former-commit-id: 5cb900521044fee13766dd7474fd9b72c7691686
This commit is contained in:
David Himmelstrup 2020-02-02 09:17:29 +08:00 • committed by GitHub
commit 4bfafa4d8e
25 changed files with 1441 additions and 338 deletions
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38
videos/showcase/showcase.hs
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@ -2,6 +2,7 @@
-- stack runghc --package reanimate
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE QuasiQuotes #-}
{-# LANGUAGE ApplicativeDo #-}
module Main (main) where
import Codec.Picture
@ -103,7 +104,7 @@ sphereIntro = sceneAnimation $ do
-- # applyE (delayE 1 $ overBeginning 2 fadeInE)
-- # applyE (delayE 8 $ translateE (-3) 0)
wait 5
playZ 1 $ setDuration 3 $ animate $ \t ->
adjustZ (+1) $ play $ setDuration 3 $ animate $ \t ->
partialSvg t $
withFillOpacity 0 $
rotate 180 $
@ -114,25 +115,25 @@ sphereIntro = sceneAnimation $ do
-- circ
let scaleFactor = 0.05
tweenVar sphereX 1 $ \t x -> fromToS x (-3) (curveS 3 t)
fork $ playZ 1 $ pauseAtEnd 2 $ setDuration 1 $ animate $ \t ->
fork $ adjustZ (+1) $ play $ pauseAtEnd 2 $ setDuration 1 $ animate $ \t ->
let p = curveS 3 t in
withFillOpacity p $
translate (1*p) (2*p) $
scale (1-scaleFactor*p) $
circ
fork $ playZ 1 $ pauseAtEnd 2 $ setDuration 1 $ animate $ \t ->
fork $ adjustZ (+1) $ play $ pauseAtEnd 2 $ setDuration 1 $ animate $ \t ->
let p = curveS 3 t in
withFillOpacity p $
translate (1*p) (-2*p) $
scale (1-scaleFactor*p) $
circ
fork $ playZ 1 $ pauseAtEnd 2 $ setDuration 1 $ animate $ \t ->
fork $ adjustZ (+1) $ play $ pauseAtEnd 2 $ setDuration 1 $ animate $ \t ->
let p = curveS 3 t in
withFillOpacity p $
translate (5*p) (2*p) $
scale (1-scaleFactor*p) $
circ
fork $ playZ 1 $ pauseAtEnd 2 $ setDuration 1 $ animate $ \t ->
fork $ adjustZ (+1) $ play $ pauseAtEnd 2 $ setDuration 1 $ animate $ \t ->
let p = curveS 3 t in
withFillOpacity p $
translate (5*p) (-2*p) $
@ -155,13 +156,15 @@ mkFeatSprite xPos yPos ani = do
spriteAt <- newVar 0
spriteTMod <- newVar 0
sprite <- newSprite $ do
genAt <- freezeVar spriteAt
genT <- freezeVar spriteTMod
return $ \real_t d t ->
let i = 1-genAt real_t in
genAt <- unVar spriteAt
genT <- unVar spriteTMod
t <- spriteT
d <- spriteDuration
return $
let i = 1-genAt in
translate (xPos*i) (yPos*i) $
scale (1+0.5*genAt real_t) $
frameAtT (((t+genT real_t)/d) `mod'` 1) ani
scale (1+0.5*genAt) $
frameAtT (((t+genT)/d) `mod'` 1) ani
return (spriteAt, spriteTMod, sprite)
featSVG :: Animation
@ -227,8 +230,8 @@ introSVG = sceneAnimation $ do
fork $ play $ animate $ const $
mkBackground "black"
-- Title
title <- newSprite $ do
return $ \_ _d _t ->
title <- newSprite $
pure $
translate 0 3.5 $
center $
withFillColor "white" $
@ -237,9 +240,9 @@ introSVG = sceneAnimation $ do
-- Shading
shadeOpacity <- newVar 0
shade <- newSprite $ do
opacity <- freezeVar shadeOpacity
return $ \real_t d t ->
withFillOpacity (0.8 * opacity real_t) $
opacity <- unVar shadeOpacity
return $
withFillOpacity (0.8 * opacity) $
withFillColor "black" $
mkRect screenWidth screenHeight
spriteZ shade 1
@ -300,7 +303,8 @@ drawAnimation' fillDur step svg = sceneAnimation $ do
fork $ do
wait (n*step+(1-fillDur))
newSprite $ do
return $ \_real_t d t ->
t <- spriteT
return $
withStrokeWidth 0 $ fn $ withFillOpacity (min 1 $ t/fillDur) tree
-- play $ animate (\t -> withStrokeWidth 0 $ fn $ withFillOpacity t tree)
-- # setDuration fillDur