From 71b3cd829f80de4c2cd3972d8bfd5ee470a5d180 Mon Sep 17 00:00:00 2001
From: Gone2Daly <71726742+Gone2Daly@users.noreply.github.com>
Date: Sat, 22 Jul 2023 21:05:42 +0200
Subject: init_test

---
 .../tools/brush/shaders/flatten.gdshader           | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 game/addons/zylann.hterrain/tools/brush/shaders/flatten.gdshader

(limited to 'game/addons/zylann.hterrain/tools/brush/shaders/flatten.gdshader')

diff --git a/game/addons/zylann.hterrain/tools/brush/shaders/flatten.gdshader b/game/addons/zylann.hterrain/tools/brush/shaders/flatten.gdshader
new file mode 100644
index 0000000..c51f03a
--- /dev/null
+++ b/game/addons/zylann.hterrain/tools/brush/shaders/flatten.gdshader
@@ -0,0 +1,22 @@
+shader_type canvas_item;
+render_mode blend_disabled;
+
+#include "res://addons/zylann.hterrain/shaders/include/heightmap.gdshaderinc"
+
+uniform sampler2D u_src_texture;
+uniform vec4 u_src_rect;
+uniform float u_opacity = 1.0;
+uniform float u_flatten_value;
+
+vec2 get_src_uv(vec2 screen_uv) {
+	vec2 uv = u_src_rect.xy + screen_uv * u_src_rect.zw;
+	return uv;
+}
+
+void fragment() {
+	float brush_value = u_opacity * texture(TEXTURE, UV).r;
+	
+	float src_h = sample_heightmap(u_src_texture, get_src_uv(SCREEN_UV));
+	float h = mix(src_h, u_flatten_value, brush_value);
+	COLOR = encode_height_to_viewport(h);
+}
-- 
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