Boomshine plugin : make speed and ball sizes adapt to the target screen size to get a constant gameplay
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@23398 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Kevin Ferrare
parent
19c3e77fa0
commit
8d376d03be
1 changed files with 41 additions and 29 deletions
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@ -26,6 +26,27 @@ require "actions"
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local CYCLETIME = rb.HZ / 50
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if rb.action_get_touchscreen_press == nil then
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HAS_TOUCHSCREEN = false
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else
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HAS_TOUCHSCREEN = true
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end
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-- color used to write the text
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if rb.lcd_rgbpack ~= nil then
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DEFAULT_FOREGROUND_COLOR = rb.lcd_rgbpack(255, 255, 255)
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else
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DEFAULT_FOREGROUND_COLOR = 0
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end
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if rb.LCD_HEIGHT > rb.LCD_WIDTH then
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DEFAULT_BALL_SIZE = rb.LCD_WIDTH/40
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else
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DEFAULT_BALL_SIZE = rb.LCD_HEIGHT/40
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end
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MAX_BALL_SPEED = DEFAULT_BALL_SIZE/2
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local levels = {
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-- {GOAL, TOTAL_BALLS},
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{1, 5},
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@ -43,7 +64,7 @@ local levels = {
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}
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local Ball = {
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size = 10,
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size = DEFAULT_BALL_SIZE,
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exploded = false,
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implosion = false
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}
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@ -54,15 +75,11 @@ function Ball:new(o)
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x = math.random(self.size, rb.LCD_WIDTH - self.size),
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y = math.random(self.size, rb.LCD_HEIGHT - self.size),
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color = random_color(),
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up_speed = math.random(-3, 3),
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right_speed = math.random(-3, 3),
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up_speed = Ball:generateSpeed(),
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right_speed = Ball:generateSpeed(),
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explosion_size = math.random((3*self.size)/2, (5*self.size)/2),
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life_duration = math.random(rb.HZ, rb.HZ*5)
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}
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-- Make sure all balls move
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if o.up_speed == 0 then o.up_speed = 1 end
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if o.right_speed == 0 then o.right_speed = 1 end
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end
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setmetatable(o, self)
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@ -70,6 +87,13 @@ function Ball:new(o)
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return o
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end
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function Ball:generateSpeed()
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local speed = math.random(-MAX_BALL_SPEED, MAX_BALL_SPEED)
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-- Make sure all balls move
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if speed == 0 then speed = 1 end
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return speed
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end
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function Ball:draw()
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--[[
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I know these aren't circles, but as there's no current circle
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@ -124,7 +148,7 @@ function Ball:checkHit(other)
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end
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local Cursor = {
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size = 20,
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size = DEFAULT_BALL_SIZE*2,
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x = rb.LCD_WIDTH/2,
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y = rb.LCD_HEIGHT/2
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}
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@ -134,8 +158,8 @@ function Cursor:new()
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end
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function Cursor:do_action(action)
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if action == rb.actions.ACTION_TOUCHSCREEN and hasTouchScreen then
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if hasTouchScreen then
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if action == rb.actions.ACTION_TOUCHSCREEN and HAS_TOUCHSCREEN then
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if HAS_TOUCHSCREEN then
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_, self.x, self.y = rb.action_get_touchscreen_press()
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end
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return true
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@ -164,7 +188,7 @@ function Cursor:do_action(action)
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end
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function Cursor:draw()
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set_foreground(defaultForeGroundColor)
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set_foreground(DEFAULT_FOREGROUND_COLOR)
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rb.lcd_hline(self.x - self.size/2, self.x - self.size/4, self.y - self.size/2)
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rb.lcd_hline(self.x + self.size/4, self.x + self.size/2, self.y - self.size/2)
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rb.lcd_hline(self.x - self.size/2, self.x - self.size/4, self.y + self.size/2)
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@ -227,9 +251,9 @@ function start_round(level, goal, nrBalls, total)
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local player = Ball:new({
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x = cursor.x,
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y = cursor.y,
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color = defaultForeGroundColor,
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color = DEFAULT_FOREGROUND_COLOR,
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size = 10,
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explosion_size = 30,
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explosion_size = 3*DEFAULT_BALL_SIZE,
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exploded = true,
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death_time = rb.current_tick() + rb.HZ * 3
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})
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@ -263,7 +287,7 @@ function start_round(level, goal, nrBalls, total)
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-- Drawing phase
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rb.lcd_clear_display()
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set_foreground(defaultForeGroundColor)
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set_foreground(DEFAULT_FOREGROUND_COLOR)
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draw_positioned_string(0, 0, string.format("%d balls expanded", nrExpandedBalls))
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draw_positioned_string(0, 1, string.format("Level %d", level))
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draw_positioned_string(1, 1, string.format("%d level points", score))
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@ -278,7 +302,7 @@ function start_round(level, goal, nrBalls, total)
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explodedBall:step()
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explodedBall:draw()
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end
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if not hasTouchScreen and not player_added then
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if not HAS_TOUCHSCREEN and not player_added then
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cursor:draw()
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end
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rb.lcd_update()
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@ -299,7 +323,7 @@ function display_message(message)
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local x, y = (rb.LCD_WIDTH - w) / 2, (rb.LCD_HEIGHT - h) / 2
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rb.lcd_clear_display()
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set_foreground(defaultForeGroundColor)
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set_foreground(DEFAULT_FOREGROUND_COLOR)
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if w > rb.LCD_WIDTH then
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rb.lcd_puts_scroll(x/w, y/h, message)
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else
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@ -312,19 +336,7 @@ function display_message(message)
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rb.lcd_stop_scroll() -- Stop our scrolling message
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end
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if rb.action_get_touchscreen_press == nil then
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hasTouchScreen = false
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else
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hasTouchScreen = true
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end
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-- color used to write the text
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if rb.lcd_rgbpack ~= nil then
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defaultForeGroundColor=rb.lcd_rgbpack(255, 255, 255)
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else
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defaultForeGroundColor=0
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end
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if hasTouchScreen then
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if HAS_TOUCHSCREEN then
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rb.touchscreen_set_mode(rb.TOUCHSCREEN_POINT)
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end
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rb.backlight_force_on()
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