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LoadBufferFormatted, SetBufferData and CopyBufferData. Compressed resource file example.

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This commit is contained in:
jussi
2024-08-27 21:41:31 +03:00
parent af2bf6f7a2
commit 35e73465ac
9 changed files with 304 additions and 43 deletions
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32
examples/snake/main.lua
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@@ -1,11 +1,11 @@
package.path = package.path..";"..RL.GetBasePath().."../resources/lib/?.lua"
Util = require( "utillib" )
Vec2 = require( "vector2" )
Rect = require( "rectangle" )
Vector2 = require( "vector2" )
Rectangle = require( "rectangle" )
-- Defines
local RESOLUTION = Vec2:new( 128, 128 )
local RESOLUTION = Vector2:new( 128, 128 )
local TILE_SIZE = 8
local LEVEL_SIZE = RESOLUTION.x / TILE_SIZE
local STATE = { TITLE = 0, GAME = 1, OVER = 2 } -- Enum.
@@ -13,10 +13,10 @@ local STATE = { TITLE = 0, GAME = 1, OVER = 2 } -- Enum.
-- Resources
local framebuffer = nil
local monitor = 0
local monitorPos = Vec2:newT( RL.GetMonitorPosition( monitor ) )
local monitorSize = Vec2:newT( RL.GetMonitorSize( monitor ) )
local monitorPos = Vector2:newT( RL.GetMonitorPosition( monitor ) )
local monitorSize = Vector2:newT( RL.GetMonitorSize( monitor ) )
local winScale = 6
local winSize = Vec2:new( RESOLUTION.x * winScale, RESOLUTION.y * winScale )
local winSize = Vector2:new( RESOLUTION.x * winScale, RESOLUTION.y * winScale )
local gameState = STATE.GAME
local grassTexture = nil
local snakeTexture = nil
@@ -28,10 +28,10 @@ local applePos = {}
local function setSnake()
snake = {
heading = Vec2:new( 1, 0 ),
control = Vec2:new( 1, 0 ),
headPos = Vec2:new( LEVEL_SIZE / 2, LEVEL_SIZE / 2 ),
segments = {}, -- { pos Vec2, heading Vec2 }
heading = Vector2:new( 1, 0 ),
control = Vector2:new( 1, 0 ),
headPos = Vector2:new( LEVEL_SIZE / 2, LEVEL_SIZE / 2 ),
segments = {}, -- { pos Vector2, heading Vector2 }
grow = 2,
}
end
@@ -52,7 +52,7 @@ local function addSegment()
end
local function setApplePos()
applePos = Vec2:new( math.random( 0, LEVEL_SIZE - 1 ), math.random( 0, LEVEL_SIZE - 1 ) )
applePos = Vector2:new( math.random( 0, LEVEL_SIZE - 1 ), math.random( 0, LEVEL_SIZE - 1 ) )
local search = true
while search do
@@ -167,16 +167,16 @@ end
--[[ Check if next segment is on left side. There are more mathematically elegant solution to this, but there is
only four possibilities so we can just check them all. ]]--
local function onLeft( this, nextSeg )
return ( this == Vec2:temp( 0, -1 ) and nextSeg == Vec2:temp( -1, 0 ) )
or ( this == Vec2:temp( -1, 0 ) and nextSeg == Vec2:temp( 0, 1 ) )
or ( this == Vec2:temp( 0, 1 ) and nextSeg == Vec2:temp( 1, 0 ) )
or ( this == Vec2:temp( 1, 0 ) and nextSeg == Vec2:temp( 0, -1 ) )
return ( this == Vector2:temp( 0, -1 ) and nextSeg == Vector2:temp( -1, 0 ) )
or ( this == Vector2:temp( -1, 0 ) and nextSeg == Vector2:temp( 0, 1 ) )
or ( this == Vector2:temp( 0, 1 ) and nextSeg == Vector2:temp( 1, 0 ) )
or ( this == Vector2:temp( 1, 0 ) and nextSeg == Vector2:temp( 0, -1 ) )
end
local function drawSnake()
for i, seg in ipairs( snake.segments ) do
local angle = seg.heading:atan2()
local source = Rect:temp( 16, 0, 8, 8 )
local source = Rectangle:temp( 16, 0, 8, 8 )
if i == 1 then -- Tail segment. Yes tail is actually the 'first' segment.
source.x = 8