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Merge pull request #47 from BoatsandJoes/game-over-animation

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Game over fadeout easing function now accelerates
This commit is contained in:
Ishaan Bhardwaj 2021-12-02 19:27:32 -05:00 committed by GitHub
commit 9fc7e4b1eb
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 32 additions and 14 deletions
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46
tetris/modes/gamemode.lua
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@ -334,7 +334,16 @@ end
function GameMode:onGameOver()
switchBGM(nil)
love.graphics.setColor(0, 0, 0, 1 - 2 ^ (-self.game_over_frames / 30))
local alpha = 0
local animation_length = 120
if self.game_over_frames < animation_length then
-- Show field for a bit, then fade out.
alpha = math.pow(2048, self.game_over_frames/animation_length - 1)
elseif self.game_over_frames < 2 * animation_length then
-- Keep field hidden for a short time, then pop it back in (for screenshots).
alpha = 1
end
love.graphics.setColor(0, 0, 0, alpha)
love.graphics.rectangle(
"fill", 64, 80,
16 * self.grid.width, 16 * (self.grid.height - 4)
@ -603,18 +612,8 @@ function GameMode:animation(x, y, skin, colour)
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
-- Convert progress through the animation into an alpha value, with easing
local alpha = 1 - progress ^ 2
return {
1, 1, 1,
alpha,
@ -632,7 +631,26 @@ function GameMode:drawLineClearAnimation()
-- params: block x, y, skin, colour
-- returns: table with RGBA, skin, colour, x, y
-- Flashy Fadeout (default)
-- Quadratic 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
-- Convert progress through the animation into an alpha value, with easing
local alpha = 1 - progress ^ 2
return {
1, 1, 1,
alpha,
skin, colour,
48 + x * 16, y * 16
}
end
--]]
-- Flashy Fadeout
--[[
function animation(x, y, skin, colour)
-- Animation progress where 0 = start and 1 = end