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feat(app): render 3x3 neighbor landblocks with texture atlas

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Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Erik 2026-04-10 20:23:21 +02:00
parent 347a7e92ff
commit 560100e5b6
4 changed files with 109 additions and 79 deletions
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14
src/AcDream.App/Rendering/Shaders/terrain.frag
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@ -1,14 +1,10 @@
#version 430 core
in float vHeight;
in vec2 vTex;
in flat uint vLayer;
out vec4 fragColor;
uniform sampler2DArray uAtlas;
void main() {
float t = clamp(vHeight / 200.0, 0.0, 1.0);
vec3 low = vec3(0.10, 0.35, 0.15); // green lowland
vec3 mid = vec3(0.55, 0.45, 0.25); // brown mid
vec3 high = vec3(0.90, 0.90, 0.95); // snowy peak
vec3 color = t < 0.5
? mix(low, mid, t * 2.0)
: mix(mid, high, (t - 0.5) * 2.0);
fragColor = vec4(color, 1.0);
fragColor = texture(uAtlas, vec3(vTex, float(vLayer)));
}

10
src/AcDream.App/Rendering/Shaders/terrain.vert
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@ -2,13 +2,17 @@
layout(location = 0) in vec3 aPos;
layout(location = 1) in vec3 aNormal;
layout(location = 2) in vec2 aTex;
layout(location = 3) in uint aTerrainLayer;
uniform mat4 uModel;
uniform mat4 uView;
uniform mat4 uProjection;
out float vHeight;
out vec2 vTex;
out flat uint vLayer;
void main() {
vHeight = aPos.z;
gl_Position = uProjection * uView * vec4(aPos, 1.0);
vTex = aTex;
vLayer = aTerrainLayer;
gl_Position = uProjection * uView * uModel * vec4(aPos, 1.0);
}