feat: author resource-aware riverbank grove

world/jajce/StylizedBerryPatch.gd

@@ -0,0 +1,85 @@
+class_name StylizedBerryPatch
+extends Node3D
+
+const WIND_SHADER := preload("res://world/jajce/materials/wind.gdshader")
+const LEAF_POSITIONS := [
+	Vector3(-0.52, 0.42, 0.08),
+	Vector3(0.08, 0.48, -0.14),
+	Vector3(0.58, 0.4, 0.18),
+	Vector3(-0.18, 0.7, 0.18),
+	Vector3(0.38, 0.67, -0.22),
+]
+const LEAF_SCALES := [
+	Vector3(0.72, 0.38, 0.62),
+	Vector3(0.78, 0.44, 0.68),
+	Vector3(0.66, 0.36, 0.58),
+	Vector3(0.56, 0.32, 0.52),
+	Vector3(0.5, 0.28, 0.46),
+]
+const BERRY_POSITIONS := [
+	Vector3(-0.7, 0.64, 0.2),
+	Vector3(-0.43, 0.82, -0.34),
+	Vector3(-0.14, 0.7, 0.46),
+	Vector3(0.08, 0.88, -0.08),
+	Vector3(0.34, 0.7, 0.42),
+	Vector3(0.48, 0.86, -0.3),
+	Vector3(0.74, 0.6, 0.12),
+	Vector3(-0.02, 1.02, 0.22),
+]
+
+
+func _ready() -> void:
+	_build_leaves()
+	_build_berries()
+
+
+func get_presentation_instance_count() -> int:
+	return LEAF_POSITIONS.size() + BERRY_POSITIONS.size()
+
+
+func _build_leaves() -> void:
+	var mesh := SphereMesh.new()
+	mesh.radius = 1.0
+	mesh.height = 2.0
+	mesh.radial_segments = 9
+	mesh.rings = 5
+	var material := ShaderMaterial.new()
+	material.shader = WIND_SHADER
+	material.set_shader_parameter("albedo", Color("#426c32"))
+	material.set_shader_parameter("roughness", 0.92)
+	material.set_shader_parameter("wind_strength", 0.045)
+	material.set_shader_parameter("wind_speed", 0.48)
+	material.set_shader_parameter("wind_phase", 1.7)
+	mesh.material = material
+	var transforms: Array[Transform3D] = []
+	for index in LEAF_POSITIONS.size():
+		transforms.append(
+			Transform3D(Basis.IDENTITY.scaled(LEAF_SCALES[index]), LEAF_POSITIONS[index])
+		)
+	$Leaves.multimesh = _create_multimesh(mesh, transforms)
+
+
+func _build_berries() -> void:
+	var mesh := SphereMesh.new()
+	mesh.radius = 0.12
+	mesh.height = 0.21
+	mesh.radial_segments = 8
+	mesh.rings = 4
+	var material := StandardMaterial3D.new()
+	material.albedo_color = Color("#8f3148")
+	material.roughness = 0.78
+	mesh.material = material
+	var transforms: Array[Transform3D] = []
+	for position in BERRY_POSITIONS:
+		transforms.append(Transform3D(Basis.IDENTITY, position))
+	$Berries.multimesh = _create_multimesh(mesh, transforms)
+
+
+func _create_multimesh(mesh: Mesh, transforms: Array) -> MultiMesh:
+	var multimesh := MultiMesh.new()
+	multimesh.transform_format = MultiMesh.TRANSFORM_3D
+	multimesh.mesh = mesh
+	multimesh.instance_count = transforms.size()
+	for index in transforms.size():
+		multimesh.set_instance_transform(index, transforms[index])
+	return multimesh