maddo/cirnofarm
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Directional shooting

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MaddoScientisto 2024-04-23 22:41:43 +02:00
commit 9f9624661c
4 changed files with 35 additions and 20 deletions
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29
src/cirno.lua
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@ -1,4 +1,4 @@
--[[pod_format="raw",created="2024-04-14 14:05:11",modified="2024-04-22 21:09:25",revision=334]]
--[[pod_format="raw",created="2024-04-14 14:05:11",modified="2024-04-23 20:41:32",revision=380]]
--include("/cirnofarm/src/actor.lua")
last_coll=0
@ -15,12 +15,20 @@ LAYERS = {
{index=1, name="objects", render=false, render_objects=false, spawn_objects=true}
}
function create_bullet(new_x,new_y)
function create_bullet(new_x, new_y, dir_x, dir_y)
-- Calculate the length of the direction vector
local length = sqrt(dir_x^2 + dir_y^2)
-- Normalize the direction vector
local normalized_dir_x = dir_x / length
local normalized_dir_y = dir_y / length
add(bullets, {
x=new_x,
y=new_y,
dx=2,
dy=2,
dx=normalized_dir_x * 2,
dy=normalized_dir_y * 2,
spriteIndex=80,
destroy_sprite_index=66,
life=100,
@ -66,13 +74,18 @@ function cirno_init()
cb=true, -- Collide with world bounds
draw=function(self)
spr(self.spriteIndex,self.x,self.y, self.hflip)
print(string.format("x:%.2f y:%.2f mx:%.2f my:%.2f bls:%s",self.x,self.y,
print(string.format("x:%.2f y:%.2f mx:%.2f my:%.2f blts:%s",self.x,self.y,
self.move_x,self.move_y,count(bullets)),0,0,1)
--print(string.format("dir_x:%.4f dir_y:%.4f",self.
end,
update=function(self)
self.move_character(self)
if (btn(4)) then create_bullet(self.x,self.y) end
-- Shoot bullet
if (btn(4)) then
--create_bullet(self.x,self.y,self.move_x,self.move_Y)
create_bullet(self.x,self.y,self.move_x,self.move_y)
end
end,
move_character=function(self)
@ -122,7 +135,9 @@ function cirno_draw()
--debug_mouse()
print(string.format("%.4f %dfps",stat(1),stat(7)),2,2,5)
print(string.format("%.4f %dfps",stat(1),stat(7)),2,16,5)
end
function render_layer(layer)

2
src/sprite_atlas.lua
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@ -1,4 +1,4 @@
--[[pod_format="raw",created="2024-04-23 18:57:57",modified="2024-04-23 18:57:58",revision=1]]
--[[pod_format="raw",created="2024-04-23 18:57:57",modified="2024-04-23 19:02:49",revision=2]]
-- spr_from_atlas() - draw to the screen a slice of a sprite atlas
-- param: s - sprite atlas to use (the number in the Picotron spritesheet)
-- param: idx - the 0-based index to render from the atlas

2
src/strawberry.lua
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@ -1,4 +1,4 @@
--[[pod_format="raw",created="2024-04-22 19:32:54",modified="2024-04-22 20:14:13",revision=5]]
--[[pod_format="raw",created="2024-04-22 19:32:54",modified="2024-04-23 20:21:06",revision=6]]
M = {}
function M.func()