From 7755bb38859cfa118e4511eb4488835a28274c0c Mon Sep 17 00:00:00 2001 From: Tyler Scott Date: Wed, 9 Feb 2022 07:58:02 +0700 Subject: [PATCH] Refactor delta time --- main.lua | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) diff --git a/main.lua b/main.lua index f0d503d..59b814d 100644 --- a/main.lua +++ b/main.lua @@ -1,4 +1,5 @@ local tau = math.pi * 2 +local delta_time = 1/120 local game = {} local function load_level(level, bubble_diameter, row_gap) @@ -181,7 +182,7 @@ function love.load(arg) game.bubble_diameter = 60 game.bubble_radius = game.bubble_diameter / 2 - game.bubble_speed = 8 -- px/frame + game.bubble_speed = 960 * delta_time -- 960 px/s -- vertical distance between bubble center points game.row_gap = math.ceil(math.sqrt( @@ -361,8 +362,8 @@ function love.update(dt) game.falling_bubbles[#game.falling_bubbles+1] = { x = game.bubble_slots[index].x, y = game.bubble_slots[index].y, - velocity_x = i % 2 == 0 and -2 or 2, - velocity_y = love.math.random(-2.0, -5.0), + velocity_x = (i % 2 == 0 and -200 or 200) * delta_time, + velocity_y = love.math.random(-200.0, -500.0) * delta_time, bubble_type = game.bubble_slots[index].bubble_type } game.bubble_slots[index].bubble_type = 0 @@ -418,7 +419,7 @@ function love.update(dt) bubble.x = bubble.x + bubble.velocity_x bubble.y = bubble.y + bubble.velocity_y bubble.velocity_x = bubble.velocity_x * 0.99 - bubble.velocity_y = bubble.velocity_y + 0.3 -- gravity 0.3 + bubble.velocity_y = bubble.velocity_y + 36 * delta_time -- gravity if bubble.x - game.bubble_radius <= game.level_left or bubble.x + game.bubble_radius >= game.level_right then bubble.velocity_x = -bubble.velocity_x @@ -585,7 +586,7 @@ function love.run() if love.timer then love.timer.step() end - local dt = 1/120 -- update 120 times per second + local dt = delta_time -- update 120 times per second local accumulator = 0.0 return function()