西风逍遥游
293be41d66
# Conflicts: # cmake/module_manifest.cmake # docs/usr/modules/procgen.md # src/engine/CMakeLists.txt # src/engine/cmdline/Run.cpp # src/engine/common/ScriptModule.h # src/modules/animation/Animation.cpp # src/modules/physics/World.cpp # src/modules/physics/World3D.cpp # src/modules/procgen/Procgen.cpp # src/modules/procgen/Procgen.h # src/modules/scene/SceneCapabilities.cpp # src/modules/schema/Schema.cpp # src/modules/schema/Schema.h
83 lines
2.8 KiB
Plaintext
83 lines
2.8 KiB
Plaintext
// Arbor Lab — interactive procedural tree recipe showcase.
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// R regenerate, 1/2 Low Poly/Realistic, A algorithm, L leaves, [/] density, C canopy.
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persist treeSeed = 31415
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persist treeStyle = "lowpoly"
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persist treeAlgorithm = "weberPenn"
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persist leafMode = "cards"
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persist leafDensity = 0.65
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persist treeMesh = null
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persist treeObject = null
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persist treeCamera = null
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persist treeYaw = 0.0
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function pressed(k) {
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return key_just_pressed(k);
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}
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function rebuildTree() {
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local paramsResult = procgen.newParams();
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if (!paramsResult.ok) return;
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local p = paramsResult.value;
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p.setSeed(treeSeed);
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p.setString("style", treeStyle);
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p.setString("branchAlgorithm", treeAlgorithm);
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p.setString("leafMode", leafMode);
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p.setFloat("leafDensity", leafDensity);
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p.setFloat("height", 6.2);
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p.setFloat("crownRadius", 2.15);
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p.setInt("branchLevels", treeStyle == "realistic" ? 3 : 2);
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p.setInt("branchCount", treeStyle == "realistic" ? 10 : 6);
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local meshResult = procgen.generateMesh("mesh.tree", p, gfx);
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if (!meshResult.ok) return;
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treeMesh = meshResult.value;
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if (treeObject == null) {
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treeObject = eve.Renderable3D();
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treeObject.setPosition(1.35, -3.0, 0.0);
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treeObject.setTint(0.34, 0.48, 0.22, 1.0);
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treeObject.setRoughness(0.86);
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treeObject.setCastShadow(true);
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}
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treeObject.setMesh(treeMesh);
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}
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if (treeCamera == null) {
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treeCamera = eve.Camera3D();
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treeCamera.setEye(10.0, 4.6, 12.0);
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treeCamera.setTarget(1.1, 0.2, 0.0);
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treeCamera.setUp(0.0, 1.0, 0.0);
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treeCamera.setFov(38.0);
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treeCamera.setAmbient(0.32, 0.38, 0.30);
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treeCamera.setActive(true);
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gfx.setDirectionalLight(-0.45, -1.0, -0.35, 1.35, 1.24, 1.02);
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}
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if (treeMesh == null) rebuildTree();
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gfx.setBackgroundColor(0.055, 0.075, 0.07, 1.0);
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function eve_update(dt) {
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treeYaw += dt * 7.0;
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treeObject.setYaw(treeYaw);
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if (pressed("r") || pressed("R")) { treeSeed += 1; rebuildTree(); }
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if (pressed("1")) { treeStyle = "lowpoly"; rebuildTree(); }
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if (pressed("2")) { treeStyle = "realistic"; rebuildTree(); }
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if (pressed("a") || pressed("A")) {
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treeAlgorithm = treeAlgorithm == "weberPenn" ? "spaceColonization" : "weberPenn";
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rebuildTree();
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}
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if (pressed("l") || pressed("L")) {
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leafMode = leafMode == "none" ? "cards" : "none";
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rebuildTree();
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}
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if (pressed("c") || pressed("C")) {
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leafMode = leafMode == "canopy" ? "cards" : "canopy";
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rebuildTree();
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}
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if (pressed("leftbracket")) { leafDensity = max(0.0, leafDensity - 0.1); rebuildTree(); }
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if (pressed("rightbracket")) { leafDensity = min(1.0, leafDensity + 0.1); rebuildTree(); }
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}
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function eve_render() {
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gfx.clear();
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gfx.render3D();
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gfx.drawSolidRect(28.0, 28.0, 310.0, 212.0, 0.92, 0.94, 0.86, 0.96);
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}
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