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Added a new default line clear animation using easing functions.

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This commit is contained in:
BoatsandJoes 2021-12-02 10:38:31 -06:00
parent c1693524d7
commit 049806d9e2
1 changed files with 52 additions and 6 deletions
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50
tetris/modes/gamemode.lua
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@ -598,9 +598,26 @@ function GameMode:getHighScoreData()
end
function GameMode:animation(x, y, skin, colour)
-- Animation progress where 0 = start and 1 = end
local progress = 1
if self.last_lcd ~= 0 then
progress = (self.last_lcd - self.lcd) / self.last_lcd
end
-- Change this number to change "bounciness"
local bounce = 13
-- Convert progress through the animation into an alpha value
local alpha = 0
-- Cutoff is arbitrary: corresponds to level 500 in Marathon A2
if self.last_lcd > 25 then
-- Goes up and down: looks better when animation is long
alpha = 1 - (bounce * progress^3 - 1.5 * bounce * progress^2 + (0.5 * bounce + 1) * progress)
else
-- Always decreasing: looks better when animation is short
alpha = 1 - progress * progress
end
return {
1, 1, 1,
-0.25 + 1.25 * (self.lcd / self.last_lcd),
alpha,
skin, colour,
48 + x * 16, y * 16
}
@ -615,7 +632,36 @@ function GameMode:drawLineClearAnimation()
-- params: block x, y, skin, colour
-- returns: table with RGBA, skin, colour, x, y
-- Fadeout (default)
-- Flashy Fadeout (default)
--[[
function animation(x, y, skin, colour)
-- Animation progress where 0 = start and 1 = end
local progress = 1
if self.last_lcd ~= 0 then
progress = (self.last_lcd - self.lcd) / self.last_lcd
end
-- Change this number to change "bounciness"
local bounce = 13
-- Convert progress through the animation into an alpha value
local alpha = 0
-- Cutoff is arbitrary: corresponds to level 500 in Marathon A2
if self.last_lcd > 25 then
-- Goes up and down: looks better when animation is long
alpha = 1 - (bounce * progress^3 - 1.5 * bounce * progress^2 + (0.5 * bounce + 1) * progress)
else
-- Always decreasing: looks better when animation is short
alpha = 1 - progress * progress
end
return {
1, 1, 1,
alpha,
skin, colour,
48 + x * 16, y * 16
}
end
--]]
-- Fadeout
--[[
function animation(x, y, skin, colour)
return {