feat(environment): add painterly skies and living meadows

2026-09-05 20:27:09 +02:00
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+# Painted sky provenance
+
+Created for this project with the built-in imagegen tool on 2026-09-05.
+Original output: 1774 × 887 PNG, copied without pixel editing to
+`assets/painterly/painted_sky.png`. The sky shader samples the upper portion
+and blends its horizon into the simulation-driven day/night palette.
+No film frame or downloaded artwork is used as a runtime texture.
+
+## Generation prompt
+
+Use case: stylized-concept. Asset type: original 360-degree panoramic sky
+texture for a Godot game, 2:1 equirectangular landscape, ideally 3072x1536.
+Create ONLY SKY, absolutely no ground, hills, buildings, ocean, objects, text
+or sun disk. Art direction: exquisitely hand-painted Japanese animation
+background, Studio Ghibli inspired summer pastoral fantasy, gouache brush
+texture, saturated clear turquoise-blue atmosphere, towering luminous cumulus
+clouds with creamy warm sunlit edges, intricate scalloped billowing forms,
+pale cyan and slate blue softly painted shadow volumes. Composition is a full
+spherical sky environment texture: upper half of image shows the upward
+hemisphere, zenith at top is mostly deep clean blue, large beautiful cumulus
+towers occupy the upper middle band between y=15% and y=44%, and the horizon
+at exactly image vertical halfway is uniform pale atmospheric aqua. Lower
+half is entirely an unobtrusive smooth pale aqua color gradient, with NO
+landscape. Cloud coverage about 40% of upper hemisphere, generous varied blue
+gaps, asymmetrical naturally spaced cloud masses. Left and right edges must
+wrap seamlessly in color and shape, keep thin strips at far left/right clear
+sky to avoid seam. No photographic cloud noise, no 3D render or vector
+outlines, no flat cartoon circles. Painterly refined layered brushwork like a
+cinematic animated film background, not a flat gradient. Use only original
+cloud shapes; no copied film imagery.
+
+The returned image does not exactly meet the requested resolution or horizon
+position. The runtime shader uses its actual dimensions and remaps the painted
+horizon at 69% image height. Blender mesh assets are deterministic rebuilds;
+this generated image is a pinned art asset, not a deterministic generator output.