parameterized eases
This commit is contained in:
parent
20830b96f2
commit
cb71ecf991
6 changed files with 94 additions and 19 deletions
14
dropdown.lua
14
dropdown.lua
|
|
@ -66,6 +66,13 @@ function self.createDropdowns()
|
|||
name = 'mode'
|
||||
})
|
||||
|
||||
local param1 = {}
|
||||
local param2 = {}
|
||||
param1[1] = slider.kvalue('param11') or 1
|
||||
param1[2] = slider.kvalue('param12') or 1
|
||||
param2[1] = slider.kvalue('param21') or 1
|
||||
param2[2] = slider.kvalue('param22') or 1
|
||||
|
||||
if d[dropdownId].selected == 1 then -- preview ease
|
||||
insertDropdown(d, {
|
||||
x = outerpadding + dropdownWidth + padding,
|
||||
|
|
@ -74,7 +81,10 @@ function self.createDropdowns()
|
|||
options = skeys(ease.eases),
|
||||
name = 'ease1'
|
||||
})
|
||||
ease.ease = ease.eases[d[dropdownId].options[d[dropdownId].selected]].f
|
||||
local _e = ease.eases[d[dropdownId].options[d[dropdownId].selected]].f
|
||||
ease.ease = function(x)
|
||||
return _e(x, param1[1], param1[2])
|
||||
end
|
||||
elseif d[dropdownId].selected == 2 then -- mix eases
|
||||
insertDropdown(d, {
|
||||
x = outerpadding + dropdownWidth + padding,
|
||||
|
|
@ -90,7 +100,7 @@ function self.createDropdowns()
|
|||
options = skeys(ease.eases),
|
||||
name = 'ease2'
|
||||
})
|
||||
ease.ease = ease.mixEase(ease.eases[d[dropdownId - 1].options[d[dropdownId - 1].selected]].f, ease.eases[d[dropdownId].options[d[dropdownId].selected]].f, mixpoint)
|
||||
ease.ease = ease.mixEase(ease.eases[d[dropdownId - 1].options[d[dropdownId - 1].selected]].f, ease.eases[d[dropdownId].options[d[dropdownId].selected]].f, slider.kvalue('mix'), param1, param2)
|
||||
elseif d[dropdownId].selected == 3 then -- create eases
|
||||
insertDropdown(d, {
|
||||
x = outerpadding + dropdownWidth + padding,
|
||||
|
|
|
|||
22
ease.lua
22
ease.lua
|
|
@ -2,14 +2,14 @@ local self = {}
|
|||
|
||||
local easelib = require 'easelib'
|
||||
|
||||
function self.mixEase(e1, e2, point)
|
||||
function self.mixEase(e1, e2, point, param1, param2)
|
||||
if not point then point = 0.5 end
|
||||
|
||||
return function(a)
|
||||
if a < point then
|
||||
return e1(a / point) * point
|
||||
return e1(a / point, param1[1], param1[2]) * point
|
||||
else
|
||||
return e2((a - point) / (1 - point)) * (1 - point) + point
|
||||
return e2((a - point) / (1 - point), param2[1], param2[2]) * (1 - point) + point
|
||||
end
|
||||
end
|
||||
end
|
||||
|
|
@ -17,18 +17,26 @@ end
|
|||
self.eases = {}
|
||||
for i,v in pairs(easelib) do
|
||||
local min = 0
|
||||
|
||||
|
||||
local params = {}
|
||||
for i = 3, #v do
|
||||
if v[i] then
|
||||
table.insert(params, {min = v[i][1], max = v[i][2], default = v[i][3], name = v[i][4]})
|
||||
end
|
||||
end
|
||||
|
||||
local q = 10
|
||||
for i = 0, q do
|
||||
local s = v[2](i / q)
|
||||
if s < 0 then min = -1 end
|
||||
local s = v[2](i / q, (params[1] or {}).default, (params[2] or {}).default)
|
||||
if s < 0 and not v.overridemin then min = -1 end
|
||||
end
|
||||
|
||||
self.eases[v[1]] = {
|
||||
f = v[2],
|
||||
max = 1,
|
||||
min = min,
|
||||
i = i
|
||||
i = i,
|
||||
params = params
|
||||
}
|
||||
end
|
||||
|
||||
|
|
|
|||
12
easelib.lua
12
easelib.lua
|
|
@ -129,4 +129,16 @@ table.insert(self, {'inOutBounce', function(t)
|
|||
end
|
||||
end})
|
||||
|
||||
table.insert(self, {'inElastic', function(t, a, p)
|
||||
return 1 - self.outElastic(1 - t, a, p)
|
||||
end, {1, 4, 1, 'a'}, {0, 1, 0.3, 'p'}, overridemin = true})
|
||||
table.insert(self, {'outElastic', function(t, a, p)
|
||||
return a * pow(2, -10 * t) * sin((t - p / (2 * pi) * asin(1/a)) * 2 * pi / p) + 1
|
||||
end, {1, 4, 1, 'a'}, {0, 1, 0.3, 'p'}, overridemin = true})
|
||||
table.insert(self, {'inOutElastic', function(t, a, p)
|
||||
return t < 0.5
|
||||
and 0.5 * self.inElastic(t * 2, a, p)
|
||||
or 0.5 + 0.5 * self.outElastic(t * 2 - 1, a, p)
|
||||
end, {1, 4, 1, 'a'}, {0, 1, 0.3, 'p'}, overridemin = true})
|
||||
|
||||
return self
|
||||
|
|
|
|||
|
|
@ -21,6 +21,9 @@ function self.update(dt)
|
|||
b = b / 2 + 0.5
|
||||
end
|
||||
graph[i] = mix(v, b, math.min(dt * 18, 1))
|
||||
if graph[i] ~= graph[i] then -- is nan
|
||||
graph[i] = b
|
||||
end
|
||||
end
|
||||
self.touchtimer = mix(self.touchtimer, 0, dt * 2)
|
||||
|
||||
|
|
|
|||
2
main.lua
2
main.lua
|
|
@ -21,7 +21,7 @@ require 'util' -- exports into global table
|
|||
padding = 14
|
||||
outerpadding = 22
|
||||
margin = 6
|
||||
dropdownWidth = 106
|
||||
dropdownWidth = 128
|
||||
fontHeight = love.graphics.getFont():getHeight()
|
||||
|
||||
-- global for convinience's sake
|
||||
|
|
|
|||
60
slider.lua
60
slider.lua
|
|
@ -19,7 +19,7 @@ function self.kget(key)
|
|||
end
|
||||
|
||||
function self.kvalue(key)
|
||||
return self.kget(key).oldvalue
|
||||
return self.kget(key) and self.kget(key).oldvalue
|
||||
end
|
||||
|
||||
local sliderId
|
||||
|
|
@ -38,7 +38,7 @@ function self.createSliders()
|
|||
if mode == 2 then -- mix eases
|
||||
insertSlider(s, {
|
||||
x = outerpadding,
|
||||
y = outerpadding + fontHeight + padding,
|
||||
y = outerpadding + fontHeight * 2.5 + padding,
|
||||
width = dropdownWidth,
|
||||
min = 0,
|
||||
max = 1,
|
||||
|
|
@ -48,12 +48,51 @@ function self.createSliders()
|
|||
})
|
||||
end
|
||||
|
||||
local ease1 = ease.eases[dropdown.kselected('ease1')]
|
||||
local ease2 = ease.eases[dropdown.kselected('ease2')]
|
||||
|
||||
local param1 = ease1 and ease1.params
|
||||
local param2 = ease2 and ease2.params
|
||||
|
||||
if param1 then
|
||||
for i,v in ipairs(param1) do
|
||||
insertSlider(s, {
|
||||
x = outerpadding + dropdownWidth + padding,
|
||||
y = outerpadding + (fontHeight * 2.5 + padding) * i,
|
||||
width = dropdownWidth,
|
||||
min = v.min,
|
||||
max = v.max,
|
||||
default = v.default,
|
||||
name = 'param1' .. i,
|
||||
displayname = 'Parameter ' .. v.name
|
||||
})
|
||||
end
|
||||
end
|
||||
if param2 then
|
||||
for i,v in ipairs(param2) do
|
||||
insertSlider(s, {
|
||||
x = outerpadding + dropdownWidth + padding + dropdownWidth + padding,
|
||||
y = outerpadding + (fontHeight * 2.5 + padding) * i,
|
||||
width = dropdownWidth,
|
||||
min = v.min,
|
||||
max = v.max,
|
||||
default = v.default,
|
||||
name = 'param2' .. i,
|
||||
displayname = 'Parameter ' .. v.name
|
||||
})
|
||||
end
|
||||
end
|
||||
|
||||
sliders = s
|
||||
end
|
||||
|
||||
local function normalize(a, min, max)
|
||||
return (a - min) / (max - min)
|
||||
end
|
||||
|
||||
function self.update(dt)
|
||||
for i, v in ipairs(sliders) do
|
||||
v.spintimer = mix(v.spintimer + math.abs(v.value - v.oldvalue), 0, math.min(dt * 8))
|
||||
v.spintimer = mix(v.spintimer + math.abs(normalize(v.value, v.min, v.max) - normalize(v.oldvalue, v.min, v.max)), 0, math.min(dt * 8))
|
||||
v.oldvalue = mix(v.oldvalue, v.value, math.min(dt * 20, 1))
|
||||
|
||||
if v.spintimer > 2 then
|
||||
|
|
@ -74,13 +113,16 @@ function self.render()
|
|||
love.graphics.setColor(0.7, 0.7, 0.7, 0.4)
|
||||
love.graphics.line(x, y + h/2, x + w, y + h/2)
|
||||
|
||||
local sx, sy = x + w * v.oldvalue, y + h/2
|
||||
local normalvalue = normalize(v.value, v.min, v.max)
|
||||
local normaloldvalue = normalize(v.oldvalue, v.min, v.max)
|
||||
|
||||
local sx, sy = x + w * normaloldvalue, y + h/2
|
||||
local ssize = h * 0.5
|
||||
|
||||
love.graphics.push()
|
||||
|
||||
love.graphics.translate(sx, sy)
|
||||
love.graphics.rotate((v.value - v.oldvalue) * 4 + v.spin * math.pi * 2)
|
||||
love.graphics.rotate((normalvalue - normaloldvalue) * 4 + v.spin * math.pi * 2)
|
||||
|
||||
local hovering = mx > sx - ssize/2 and mx < sx + ssize/2 and my > sy - ssize/2 and my < sy + ssize/2 and dropdown.openDropdown == 0
|
||||
local dragging = mx > x and mx < x + w and my > y and my < y + h and love.mouse.isDown(1) and dropdown.openDropdown == 0
|
||||
|
|
@ -93,18 +135,18 @@ function self.render()
|
|||
love.graphics.setColor(1, 1, 1, 1)
|
||||
love.graphics.rectangle('line', -ssize/2, -ssize/2, ssize, ssize)
|
||||
|
||||
love.graphics.rotate((v.value - v.oldvalue) * -2)
|
||||
love.graphics.rotate((normalvalue - normaloldvalue) * -2)
|
||||
|
||||
love.graphics.setColor(1, 1, 1, 1)
|
||||
love.graphics.printf(math.floor(v.value * 100)/100, -ssize * 6, ssize - 2, ssize * 12, 'center')
|
||||
|
||||
love.graphics.pop()
|
||||
|
||||
love.graphics.printf(v.displayname, v.x + margin * 2 - ssize * 6, v.y - 5, ssize * 12, 'center')
|
||||
love.graphics.printf(v.displayname, v.x + margin * 2 - ssize * 6, v.y - 8, ssize * 12, 'center')
|
||||
|
||||
if dragging then
|
||||
v.value = (mx - x) / w
|
||||
graph.touchtimer = 1
|
||||
v.value = ((mx - x) / w) * (v.max - v.min) + v.min
|
||||
if v.name == 'mix' then graph.touchtimer = 1 end -- sorry !!!
|
||||
createUI()
|
||||
end
|
||||
end
|
||||
|
|
|
|||
Loading…
Reference in a new issue