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Add shadowing using latest library features

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shylie 2025-07-23 08:00:24 -04:00
parent d4d6a140ef
commit 49ef00c94a
2 changed files with 31 additions and 6 deletions
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atlas.png
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37
main.lua
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@ -6,7 +6,7 @@ tex:setFilter("nearest", "nearest")
local gx = 0
local gy = 0
local angle = 0
local scale = 1
local scale = 0.35
local dist = 5
local atlas = {
@ -19,14 +19,27 @@ local atlas = {
}
local alpha = 0.75
local shadow_alpha = 0.15
local colors = {}
function colors.water(layer)
if layer % 2 == 0 then
return 0, 0, 0, shadow_alpha
end
layer = layer / 2
return 0.1, layer / 16, layer / 8, alpha
end
function colors.sand(layer)
if layer % 2 == 0 then
return 0, 0, 0, shadow_alpha
end
layer = layer / 2
return layer / 16 + 0.2, layer / 16 + 0.15, 0.4, alpha
end
function colors.dirt(layer)
if layer % 2 == 0 then
return 0, 0, 0, shadow_alpha
end
layer = layer / 2
if layer < 16 then
return layer / 40, layer / 80, 0.1, alpha
else
@ -34,19 +47,31 @@ function colors.dirt(layer)
end
end
function colors.stone(layer)
if layer % 2 == 0 then
return 0, 0, 0, shadow_alpha
end
layer = layer / 2
local value = layer / 48 - 0.2
return value / 1.1, value, value * 1.1, alpha
end
function colors.snow(layer)
if layer % 2 == 0 then
return 0, 0, 0, shadow_alpha
end
layer = layer / 2
local value = layer / 48 + 0.25
return value / 1.1, value, value * 1.1, alpha
end
local function offset_map(_)
return -1, 1
local function offset_map(layer)
if layer % 2 == 0 then
return 1, 7
else
return 0, 7
end
end
local z = zprite.zchunk.new(tex, 16 * 8, 40, dist * 2 + 1)
local z = zprite.zchunk.new(tex, 16 * 8, 80, dist * 2 + 1)
local function layered_noise(x, y, layers, persistence)
local freq = 1
@ -114,7 +139,7 @@ end
local function generate(x, y)
local height = heightmap(x, y)
z:put(x, y, atlas.stone, math.ceil(height * 40), pick_color(height), offset_map)
z:put(x, y, atlas.stone, math.ceil(height * 80), pick_color(height), offset_map)
end
local generated = {}
@ -199,7 +224,7 @@ end
local t = love.math.newTransform()
function love.draw()
z._height_scale = 18 * scale
z._height_scale = scale * 1.4
t:reset()
t:translate(love.graphics.getWidth() / 2, love.graphics.getHeight() / 2)