schme/slime-moldies
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I think it is in some kind of working state now

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This commit is contained in:
Kasper
2025-08-01 22:46:57 +03:00
parent e2f1c8c13a
commit 15639ff098
4 changed files with 59 additions and 36 deletions
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40
slime_simulation.gd
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@@ -12,7 +12,7 @@ extends Node2D
@onready var mesh := $MeshInstance2D
## Needs to be changed from the shader as well
const AGENTS: int = 4096
const AGENTS: int = 1024
var texture: Texture2DRD
var next_texture: int = 0
@@ -31,7 +31,14 @@ func _process(_delta: float) -> void:
texture.texture_rd_rid = texture_rds[next_texture]
RenderingServer.call_on_render_thread(
_render_process.bind(next_texture, texture_size, decay_factor, dissipation_factor, sensor_angle, sensor_distance)
_render_process.bind(
next_texture,
texture_size,
decay_factor,
dissipation_factor,
sensor_angle,
sensor_distance
)
)
@@ -96,9 +103,8 @@ func _initialize_compute_code(with_texture_size: Vector2i) -> void:
var agent_angles := PackedFloat32Array()
# This must match what is set in the shader, if fixed size
for n in AGENTS:
var new_position: Vector2 = Vector2(
rng.randf_range(0, with_texture_size.x),
rng.randf_range(0, with_texture_size.y)
var new_position := Vector2(
rng.randf_range(0, with_texture_size.x), rng.randf_range(0, with_texture_size.y)
)
agent_positions.push_back(new_position)
agent_angles.push_back(rng.randf_range(0, TAU))
@@ -106,8 +112,7 @@ func _initialize_compute_code(with_texture_size: Vector2i) -> void:
var agent_data := PackedByteArray(agent_positions.to_byte_array())
agent_data.append_array(agent_angles.to_byte_array())
agent_buffer = rd.storage_buffer_create(
agent_data.size(), agent_data, 0,
RenderingDevice.BUFFER_CREATION_AS_STORAGE_BIT
agent_data.size(), agent_data, 0, RenderingDevice.BUFFER_CREATION_AS_STORAGE_BIT
)
# Create trail texture
@@ -127,7 +132,6 @@ func _initialize_compute_code(with_texture_size: Vector2i) -> void:
| RenderingDevice.TEXTURE_USAGE_CAN_COPY_TO_BIT
)
var agent_uniforms: Array[RDUniform] = []
for i in 2:
texture_rds[i] = rd.texture_create(tf, RDTextureView.new(), [])
@@ -142,7 +146,7 @@ func _initialize_compute_code(with_texture_size: Vector2i) -> void:
txtr_uniform_1.binding = 0
txtr_uniform_1.add_id(texture_rds[0])
agent_uniforms.append(txtr_uniform_1)
var txtr_uniform_2 := RDUniform.new()
txtr_uniform_2.uniform_type = RenderingDevice.UNIFORM_TYPE_IMAGE
txtr_uniform_2.binding = 1
@@ -153,11 +157,22 @@ func _initialize_compute_code(with_texture_size: Vector2i) -> void:
uniform.uniform_type = RenderingDevice.UNIFORM_TYPE_STORAGE_BUFFER
uniform.binding = 2
uniform.add_id(agent_buffer)
agent_sets[0] = rd.uniform_set_create([txtr_uniform_1, txtr_uniform_2, uniform], agent_shader, 0)
agent_sets[1] = rd.uniform_set_create([txtr_uniform_2, txtr_uniform_1, uniform], agent_shader, 0)
agent_sets[0] = rd.uniform_set_create(
[txtr_uniform_1, txtr_uniform_2, uniform], agent_shader, 0
)
agent_sets[1] = rd.uniform_set_create(
[txtr_uniform_2, txtr_uniform_1, uniform], agent_shader, 0
)
func _render_process(with_next_texture: int, tex_size: Vector2i, decay_fctr: float, dissipation_fctr: float, snsr_angle: float, snsr_distance: float) -> void:
func _render_process(
with_next_texture: int,
tex_size: Vector2i,
decay_fctr: float,
dissipation_fctr: float,
snsr_angle: float,
snsr_distance: float
) -> void:
var next_set := texture_sets[with_next_texture]
var current_set := texture_sets[(with_next_texture - 1) % 2]
@@ -168,7 +183,6 @@ func _render_process(with_next_texture: int, tex_size: Vector2i, decay_fctr: flo
push_constant.push_back(snsr_angle)
push_constant.push_back(snsr_distance)
var agent_compute_list := rd.compute_list_begin()
rd.compute_list_bind_compute_pipeline(agent_compute_list, agent_pipeline)
rd.compute_list_bind_uniform_set(agent_compute_list, agent_sets[with_next_texture], 0)