Jonas Reith
fa38e603a1
Godot 4.6 exploration game with player movement, step-rotation camera rig, and POI interaction system (explore/rest/close menu). main.tscn is a test scene with placeholder props; debug/ holds unwired terrain prototypes (voxel river, procedural island mesh, cross-shaped hub
101 lines
3.1 KiB
GDScript
101 lines
3.1 KiB
GDScript
extends Node3D
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@export var radius : float = 1024.0
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@export var segments: int = 128
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@export var seed_val: int = 42
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@export var erosion : float = 0.18
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func _ready() -> void:
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_build()
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func _build() -> void:
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var noise := FastNoiseLite.new()
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noise.seed = seed_val
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noise.noise_type = FastNoiseLite.TYPE_SIMPLEX_SMOOTH
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noise.frequency = 0.008
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var st := SurfaceTool.new()
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st.begin(Mesh.PRIMITIVE_TRIANGLES)
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var verts: PackedVector3Array = []
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var colrs: PackedColorArray = []
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var seg := segments
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for i in range(seg + 1):
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for j in range(seg + 1):
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var u := float(i) / seg
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var v := float(j) / seg
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var angle := u * TAU
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var r := v * radius
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var en := 1.0 + noise.get_noise_2d(
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cos(angle) * 80.0,
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sin(angle) * 80.0) * erosion
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var x := cos(angle) * r * en
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var z := sin(angle) * r * en
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var dn := r / radius
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# Komplett flach — nur Rand fällt ab
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var y := -6.0 * pow(dn, 6.0)
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verts.append(Vector3(x, y, z))
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colrs.append(_col(dn))
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for i in range(seg):
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for j in range(seg):
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var idx := i * (seg + 1) + j
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var a := idx; var b := idx + 1
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var c := idx+(seg+1); var d := idx+(seg+1)+1
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var n := (verts[b]-verts[a]).cross(verts[c]-verts[a]).normalized()
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for vtx in [a, b, c]:
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st.set_normal(n); st.set_color(colrs[vtx])
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st.add_vertex(verts[vtx])
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for vtx in [b, d, c]:
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st.set_normal(n); st.set_color(colrs[vtx])
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st.add_vertex(verts[vtx])
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var mesh := st.commit()
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var mat := StandardMaterial3D.new()
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mat.vertex_color_use_as_albedo = true
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mat.shading_mode = BaseMaterial3D.SHADING_MODE_UNSHADED
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mesh.surface_set_material(0, mat)
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var mi := MeshInstance3D.new()
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mi.mesh = mesh
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add_child(mi)
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_build_underside()
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func _col(dn: float) -> Color:
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if dn > 0.93: return Color(0.45, 0.38, 0.28) # Erdrand
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if dn > 0.85: return Color(0.38, 0.55, 0.25) # Gras außen
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return Color(0.42, 0.65, 0.30) # Gras
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func _build_underside() -> void:
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var st := SurfaceTool.new()
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st.begin(Mesh.PRIMITIVE_TRIANGLES)
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var seg := 80
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var bot := Vector3(0, -18.0, 0)
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var noise := FastNoiseLite.new()
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noise.seed = seed_val + 1
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for i in range(seg):
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var a0 := float(i) / seg * TAU
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var a1 := float(i+1) / seg * TAU
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var r := radius * 0.9
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var e0 := 1.0 + noise.get_noise_2d(cos(a0)*80, sin(a0)*80) * erosion
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var e1 := 1.0 + noise.get_noise_2d(cos(a1)*80, sin(a1)*80) * erosion
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var p0 := Vector3(cos(a0)*r*e0, -2.0, sin(a0)*r*e0)
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var p1 := Vector3(cos(a1)*r*e1, -2.0, sin(a1)*r*e1)
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var col := Color(0.30, 0.25, 0.18)
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st.set_color(col); st.set_normal(Vector3(0,-1,0))
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st.add_vertex(bot); st.add_vertex(p1); st.add_vertex(p0)
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# Seite
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var t0 := Vector3(p0.x, 0.0, p0.z)
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var t1 := Vector3(p1.x, 0.0, p1.z)
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st.add_vertex(p0); st.add_vertex(t0); st.add_vertex(p1)
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st.add_vertex(t0); st.add_vertex(t1); st.add_vertex(p1)
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var mesh := st.commit()
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var mat := StandardMaterial3D.new()
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mat.vertex_color_use_as_albedo = true
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mat.shading_mode = BaseMaterial3D.SHADING_MODE_UNSHADED
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mat.cull_mode = BaseMaterial3D.CULL_DISABLED
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mesh.surface_set_material(0, mat)
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var mi := MeshInstance3D.new()
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mi.mesh = mesh
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add_child(mi)
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