From d4d6a140ef89b4bdb88b1fdc3fe09431eb67366b Mon Sep 17 00:00:00 2001
From: shylie <shylie@shylie.info>
Date: Wed, 23 Jul 2025 07:18:56 -0400
Subject: [PATCH] Update example to use latest library features

---
 main.lua | 27 +++++++++++++++------------
 zprite   |  2 +-
 2 files changed, 16 insertions(+), 13 deletions(-)

diff --git a/main.lua b/main.lua
index 7244385..142c444 100644
--- a/main.lua
+++ b/main.lua
@@ -7,7 +7,7 @@ local gx = 0
 local gy = 0
 local angle = 0
 local scale = 1
-local dist = 4
+local dist = 5
 
 local atlas = {
 	water = love.graphics.newQuad(1, 1, 8, 8, tex),
@@ -18,27 +18,32 @@ local atlas = {
 	snow = love.graphics.newQuad(11, 11, 8, 8, tex),
 }
 
+local alpha = 0.75
 local colors = {}
 function colors.water(layer)
-	return 0.1, layer / 16, layer / 8
+	return 0.1, layer / 16, layer / 8, alpha
 end
 function colors.sand(layer)
-	return layer / 16 + 0.2, layer / 16 + 0.15, 0.4
+	return layer / 16 + 0.2, layer / 16 + 0.15, 0.4, alpha
 end
 function colors.dirt(layer)
 	if layer < 16 then
-		return layer / 40, layer / 80, 0.1
+		return layer / 40, layer / 80, 0.1, alpha
 	else
-		return 0.1, layer / 50 + 0.1, 0.1
+		return 0.1, layer / 50 + 0.1, 0.1, alpha
 	end
 end
 function colors.stone(layer)
 	local value = layer / 48 - 0.2
-	return value / 1.1, value, value * 1.1
+	return value / 1.1, value, value * 1.1, alpha
 end
 function colors.snow(layer)
 	local value = layer / 48 + 0.25
-	return value / 1.1, value, value * 1.1
+	return value / 1.1, value, value * 1.1, alpha
+end
+
+local function offset_map(_)
+	return -1, 1
 end
 
 local z = zprite.zchunk.new(tex, 16 * 8, 40, dist * 2 + 1)
@@ -109,7 +114,7 @@ end
 
 local function generate(x, y)
 	local height = heightmap(x, y)
-	z:put(x, y, atlas.stone, math.ceil(height * 40), pick_color(height))
+	z:put(x, y, atlas.stone, math.ceil(height * 40), pick_color(height), offset_map)
 end
 
 local generated = {}
@@ -194,14 +199,12 @@ end
 local t = love.math.newTransform()
 
 function love.draw()
-	for _, chunk in pairs(z._chunks) do
-		chunk.z._height_scale = 18 * scale
-	end
+	z._height_scale = 18 * scale
 
 	t:reset()
 	t:translate(love.graphics.getWidth() / 2, love.graphics.getHeight() / 2)
 	t:scale(scale, scale)
 	t:rotate(angle)
-	t:translate(gx - z._chunk_size, gy - z._chunk_size / 2)
+	t:translate(gx - z._chunk_size / 2, gy - z._chunk_size / 2)
 	z:draw(t)
 end
diff --git a/zprite b/zprite
index 071b00d..0ac6791 160000
--- a/zprite
+++ b/zprite
@@ -1 +1 @@
-Subproject commit 071b00d922ba6dcf76b5ecae0fdd5c01579482bf
+Subproject commit 0ac6791e752f5887cafe38e74e06ee86c76bec44