sm64ex-coop/docs/lua/examples/hud.lua

124 lines
2.9 KiB
Lua

-- This file is an example of how to render to the screen
rainbow = 0
function test_text()
-- set text and scale
local text = "This is example text in the bottom right."
local scale = 1
-- render to native screen space, with the MENU font
djui_hud_set_resolution(RESOLUTION_DJUI);
djui_hud_set_font(FONT_MENU);
-- get width of screen and text
local screenWidth = djui_hud_get_screen_width()
local width = djui_hud_measure_text(text) * scale
-- get height of screen and text
local screenHeight = djui_hud_get_screen_height()
local height = 64 * scale
-- set location
local x = screenWidth - width
local y = screenHeight - height
-- set color and render
djui_hud_set_color(255, 0, 255, 255);
djui_hud_print_text(text, x, y, scale);
end
function test_texture()
-- render to N64's screen space
djui_hud_set_resolution(RESOLUTION_N64)
-- get player's character texture
local tex = gMarioStates[0].character.hudHeadTexture
-- set scale
local wscale = 1
local hscale = 1
-- set position
local x = 256
local y = 64
-- set color and render
djui_hud_set_color(255, 0, 255, 255)
djui_hud_render_texture(tex, x, y, wscale, hscale)
end
function test_rect()
-- render to native screen space
djui_hud_set_resolution(RESOLUTION_DJUI)
-- set location
local x = 512
local y = 512
-- set width/height
local w = 256
local h = 256
-- set color and render first rectangle
djui_hud_set_color(255, 0, 0, 128)
djui_hud_render_rect(x, y, w, h)
-- adjust location and size
x = x + 16
y = y + 16
w = w - 32
h = h - 32
-- set color and render second rectangle
djui_hud_set_color(0, 255, 0, 128)
djui_hud_render_rect(x, y, w, h)
-- adjust location and size
x = x + 16
y = y + 16
w = w - 32
h = h - 32
-- set color and render third rectangle
djui_hud_set_color(0, 0, 255, 128)
djui_hud_render_rect(x, y, w, h)
end
function test_rainbow_text()
-- this function is incredibly silly
-- don't do anything like this
local res = RESOLUTION_DJUI
local text = "HELLO WORLD"
local scale = 3
djui_hud_set_resolution(res);
djui_hud_set_font(FONT_NORMAL);
for i=0,255 do
j = rainbow / 50
local r = math.sin(0.00 + i / 15 + j) * 127 + 127
local g = math.sin(0.33 + i / 33 + j) * 127 + 127
local b = math.sin(0.66 + i / 77 + j) * 127 + 127
local x = 64 + i
local y = 64 + i + math.sin(i / 40 + j) * 64
if i == 255 then
r = 0
g = 0
b = 0
end
djui_hud_set_color(r, g, b, i);
djui_hud_print_text(text, x, y, scale);
end
rainbow = rainbow + 1
end
function on_hud_render()
test_text()
test_rect()
test_texture()
test_rainbow_text()
end
hook_event(HOOK_ON_HUD_RENDER, on_hud_render)