From 49ef00c94a6b2819453e6b98d37db45c01dab5ec Mon Sep 17 00:00:00 2001
From: shylie <shylie@shylie.info>
Date: Wed, 23 Jul 2025 08:00:24 -0400
Subject: [PATCH] Add shadowing using latest library features

---
 atlas.png | Bin 321 -> 287 bytes
 main.lua  |  37 +++++++++++++++++++++++++++++++------
 2 files changed, 31 insertions(+), 6 deletions(-)

diff --git a/atlas.png b/atlas.png
index 292937c4b8539998a80be32fb2bcca295b8814da..f64a694bd353a71557fecb04e4ad0be9fe83fadf 100644
GIT binary patch
delta 246
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zlgEo_9eFPEnb~gL1g{1XlQf#Rh{!z(psJb$95!$Fd+hzVwtK5X*yj`p5;@6|MUsdP
zXZLq1d~z7cQ%PpmyV6eM1FlT;RNcr>_29A5Nr6fmB{O`5eQ!I{gYOcnUKrnV(|uTt
zh{%>*cY)_1BH>k;OP}cJycAwGKfhK1R}eYKjxo}zpahdXTl;u|$A&^;+0cjW3J!K9
w<XQSRvxEPWm@kRr=f5O`5JCtcgb?ygp6pIzr0C_AoB#j-07*qoM6N<$g5#Zb$^ZZW

delta 281
zcmV+!0p|Xn0>J{1F@O6>L_t(oh3%EW5`!=ZM4{t<H-0%i;UFalwvHb5-6RQt%_b5x
z5s@JxBZ!Ot_OT@Abl%b}@Mt4u=45<pjG4chjMyd9PIMF3+3FM9algiXXGQxte*RL~
zBuePVRUN-3$zj!GyFRkeA!6_w%@W#p$CH1-7nT)Z<CQ{pr+*p^WFFiWGLOg}UDR_k
zAD;H0h`fnt&2D4R@X-0*b2A^7yUx^#o{#Kic6e1MRyL@<Z5_&2T0J-O%P%TrlohNz
z5m!7T<zL;*Pgkl(T?OrN+PKCZp&%L6Z2Wcw@1lLgWRBG;`IsZdB{^GQ@lSGziU0rr
f00000a2FpkY!X{soo*ZD00000NkvXXu0mjfC3}H#

diff --git a/main.lua b/main.lua
index 142c444..01c73cd 100644
--- a/main.lua
+++ b/main.lua
@@ -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)