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Dynamic Shader Updates from code #10

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Apr 22, 2024
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Dynamic Shader Updates from code #10

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377f91b
Update post_processing_configuration.gd
SAED2906 Apr 16, 2024
dd41d3e
Update post_process.gd
SAED2906 Apr 16, 2024
519be4c
Update README.md
SAED2906 Apr 16, 2024
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33 changes: 18 additions & 15 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,6 @@ After moving from Unity to Godot in late 2019, I've felt like there was a lack o
- 2D/3D support.
- Custom resource type to save preset configurations, "PostProcessPreset".
- Ability to dynamically modify effects through code.
- Effects:

## Effects:
- ASCII (Monochromatic / Render everything as ASCII text) (for now uses only: `.:-+*=%@#`).
Expand All @@ -21,11 +20,12 @@ After moving from Unity to Godot in late 2019, I've felt like there was a lack o
- Grain (Animated)
- Circular Waves / Speed Lines (Low Quality, still being worked on).
- Fish eye effect.
- CRT/VHS

## Planned Features:
- [x] Effect Presets
- [ ] More Effects like: `Color Grading`, `Dithering`, `Motion Blur`, `VHS`, etc.
- [ ] Smooth transitions between previous and future effect states (ex: 0 blur slowly rising to 100)
- [ ] More Effects like: `Color Grading`, `Dithering`, `Motion Blur`, etc.
- [x] Smooth transitions between previous and future effect states (ex: 0 blur slowly rising to 100) see Section: Changing Effects Through Code.


## Basic Use:
Expand Down Expand Up @@ -57,19 +57,22 @@ In this example, we enable/disable ScreenShake!
extends Node3D

func _process(_delta):
# Change the Screen Shake Power by 0.1 each frame
$PostProcess.ScreenShakePower += 0.1

# if Screen Shake Power is bigger than 2, change it back to 0!
if $PostProcess.ScreenShakePower >= 2:
$PostProcess.ScreenShakePower = 0


# if key T is pressed, Enable Screen Shake
# Check if Screen Shake is enabled
if $PostProcess.configuration.ScreenShake:
# Change the Screen Shake Power by 0.1 each frame
$PostProcess.configuration.ScreenShakePower += 0.1

# if Screen Shake Power is bigger than 2, change it back to 0!
if $PostProcess.configuration.ScreenShakePower >= 2:
$PostProcess.configuration.ScreenShakePower = 0

# if key T is pressed, Toggle Screen Shake
if Input.is_key_pressed(KEY_T):
$PostProcess.ScreenShake = true
else:
$PostProcess.ScreenShake = false
if $PostProcess.configuration.ScreenShake:
$PostProcess.configuration.ScreenShake = false
else:
$PostProcess.configuration.ScreenShake = true

```

This also works with other effects like:
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2 changes: 1 addition & 1 deletion addons/post_processing/node/post_process.gd
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Expand Up @@ -119,7 +119,7 @@ func _check_shader_visibility(_name: String) -> bool:

if _name.begins_with("CRT"):
return true if configuration.CRT else false

# get_children() returning all _names leading Always to:
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@SAED2906 SAED2906 Apr 16, 2024

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The error is being triggered every reload due to the get_children() method returning more than expected.

push_error("#Undefined type Post Processing addon - verify it has been properly integrated.")
return false # bad!

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245 changes: 196 additions & 49 deletions addons/post_processing/resource/post_processing_configuration.gd
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Expand Up @@ -5,79 +5,226 @@ class_name PostProcessingConfiguration extends Resource
@export var reload: bool
@export_group("ASCII (No Color)")
@export var ASCII: bool
@export var ASCIISize: Vector2 = Vector2(4,9)
@export var ASCIISize: Vector2 = Vector2(4,9):
set(value):
ASCIISize = value
reload = true
@export_group("Chromatic Aberration")
@export var ChromaticAberration: bool
@export var StrenghtCA: float = 1
@export var StrenghtCA: float = 1:
set(value):
StrenghtCA = value
reload = true
@export_group("Blur")
@export var Blur: bool
@export_range(0.0, 5) var L_O_D = 1.0
@export_range(0.0, 5) var L_O_D = 1.0:
set(value):
L_O_D = value
reload = true
@export_group("Fish Eye")
@export var FishEye: bool
@export var FishEyeAspect = 1.0
@export var FishEyeDistortion = 1.0
@export var FishEyeRadius = 1.0
@export var FishEyeAlpha = 1.0
@export var FishEyeCrop = 1.0
@export var FishEyeCropColor = Color.BLACK
@export var FishEyeAspect = 1.0:
set(value):
FishEyeAspect = value
reload = true
@export var FishEyeDistortion = 1.0:
set(value):
FishEyeDistortion = value
reload = true
@export var FishEyeRadius = 1.0:
set(value):
FishEyeRadius = value
reload = true
@export var FishEyeAlpha = 1.0:
set(value):
FishEyeAlpha = value
reload = true
@export var FishEyeCrop = 1.0:
set(value):
FishEyeCrop = value
reload = true
@export var FishEyeCropColor = Color.BLACK:
set(value):
FishEyeCropColor = value
reload = true
@export_group("Vignette")
@export var Vignette: bool
@export var VignetteIntensity = 0.4
@export_range(0.0, 1.0) var VignetteOpacity = 0.5
@export var VignetteR_G_B: Color = Color(0.0, 0.0, 0.0, 1.0);
@export var VignetteIntensity = 0.4:
set(value):
VignetteIntensity = value
reload = true
@export_range(0.0, 1.0) var VignetteOpacity = 0.5:
set(value):
VignetteOpacity = value
reload = true
@export var VignetteR_G_B: Color = Color(0.0, 0.0, 0.0, 1.0):
set(value):
VignetteR_G_B = value
reload = true
@export_group("Glitch")
@export var Glitch: bool
@export_range(0.0, 0.1, 0.005) var GlitchRange = 0.05
@export_range(0.0, 300, 0.1) var GlitchNoiseQuality = 250.0
@export_range(-0.6, 0.6, 0.0010) var GlitchIntenity = 0.0088
@export_range(-0.1, 0.1, 0.001) var GlitchOffset = 0.03
@export_range(0.0, 5.0, 0.001) var GlitchColorOffset = 1.3
@export_range(0.0, 0.1, 0.005) var GlitchRange = 0.05:
set(value):
GlitchRange = value
reload = true
@export_range(0.0, 300, 0.1) var GlitchNoiseQuality = 250.0:
set(value):
GlitchNoiseQuality = value
reload = true
@export_range(-0.6, 0.6, 0.0010) var GlitchIntenity = 0.0088:
set(value):
GlitchIntenity = value
reload = true
@export_range(-0.1, 0.1, 0.001) var GlitchOffset = 0.03:
set(value):
GlitchOffset = value
reload = true
@export_range(0.0, 5.0, 0.001) var GlitchColorOffset = 1.3:
set(value):
GlitchColorOffset = value
reload = true
@export_group("Outline")
@export var Outline: bool
@export var OutlineColor: Color = Color(0.0, 0.0, 0.0, 1.0)
@export_range(0.0, 1.0) var OutlineThreshold = 0.0
@export_range(0.0, 1.0) var OutlineBlend = 0.01
@export var OutlineColor: Color = Color(0.0, 0.0, 0.0, 1.0):
set(value):
OutlineColor = value
reload = true
@export_range(0.0, 1.0) var OutlineThreshold = 0.0:
set(value):
OutlineThreshold = value
reload = true
@export_range(0.0, 1.0) var OutlineBlend = 0.01:
set(value):
OutlineBlend = value
reload = true
@export_group("Screen Shake")
@export var ScreenShake: bool
@export var ScreenShakePower = 0.1;
@export var ScreenShakePower = 0.1:
set(value):
ScreenShakePower = value
reload = true
@export_group("Analog Monitor")
@export var AnalogMonitor: bool
@export var AnalogMonitorResolution = Vector2(256, 256)
@export var AnalogMonitorResolution = Vector2(256, 256):
set(value):
AnalogMonitorResolution = value
reload = true
@export_group("Grain")
@export var Grain: bool
@export_range(0, 150, 0.1) var GrainPower = 75
@export_range(0, 150, 0.1) var GrainPower = 75:
set(value):
GrainPower = value
reload = true
@export_group("Circular Waves")
@export var CircularWaves: bool
@export_range(0,2, 0.01) var CircularWavesAmplitude = 2.0
@export_range(0, 15, 0.01) var CircularWavesFrequency = 12.69
@export_range(0.5, 150.0, 0.1) var CircularWavesRippleRate = 9.2
@export_range(0,2, 0.01) var CircularWavesAmplitude = 2.0:
set(value):
CircularWavesAmplitude = value
reload = true
@export_range(0, 15, 0.01) var CircularWavesFrequency = 12.69:
set(value):
CircularWavesFrequency = value
reload = true
@export_range(0.5, 150.0, 0.1) var CircularWavesRippleRate = 9.2:
set(value):
CircularWavesRippleRate = value
reload = true
@export_group("Speed Lines")
@export var SpeedLines: bool
@export var SpeedLinesColor: Color = Color.WHITE
@export_range(0,2, 0.05) var SpeedLinesCount = 2
@export_range(0.0, 1.0) var SpeedLineDensity = 0.072
@export_range(1.0, 40.0, 1.0) var SpeedLineSpeed = 20;
@export var SpeedLinesColor: Color = Color.WHITE:
set(value):
SpeedLinesColor = value
reload = true
@export_range(0,2, 0.05) var SpeedLinesCount = 2:
set(value):
SpeedLinesCount = value
reload = true
@export_range(0.0, 1.0) var SpeedLineDensity = 0.072:
set(value):
SpeedLineDensity = value
reload = true
@export_range(1.0, 40.0, 1.0) var SpeedLineSpeed = 20:
set(value):
SpeedLineSpeed = value
reload = true
@export_group("CRT")
@export var CRT: bool
@export var overlay : bool = false;
@export_range(0.0, 1.0) var scanlines_opacity : float = 0.4;
@export_range(0.0, 0.5) var scanlines_width : float = 0.25;
@export_range(0.0, 1.0) var grille_opacity : float = 0.3;
@export var pixelate : bool = true;
@export var roll_speed : float = 8.0;
@export_range(0.0, 100.0) var roll_size : float = 15.0;
@export_range(0.1, 5.0) var roll_variation : float = 1.8;
@export_range(0.0, 0.2) var distort_intensity : float = 0.05;
@export_range(0.0, 1.0) var noise_opacity : float = 0.4;
@export var noise_speed : float = 5.0;
@export_range(0.0, 1.0) var static_noise_intensity : float = 0.06;
@export_range(-1.0, 1.0) var aberration : float = 0.03;
@export var brightness : float = 1.4;
@export var discolor : bool = true;
@export_range(0.0, 5.0) var warp_amount : float = 1.0;
@export var clip_warp : bool = false;
@export var vignette_intensity : float = 0.4;
@export_range(0.0, 1.0) var vignette_opacity : float = 0.5;
@export var overlay : bool = false:
set(value):
overlay = value
reload = true
@export_range(0.0, 1.0) var scanlines_opacity : float = 0.4:
set(value):
scanlines_opacity = value
reload = true
@export_range(0.0, 0.5) var scanlines_width : float = 0.25:
set(value):
scanlines_width = value
reload = true
@export_range(0.0, 1.0) var grille_opacity : float = 0.3:
set(value):
grille_opacity = value
reload = true
@export var pixelate : bool = true:
set(value):
pixelate = value
reload = true
@export var roll_speed : float = 8.0:
set(value):
roll_speed = value
reload = true
@export_range(0.0, 100.0) var roll_size : float = 15.0:
set(value):
roll_size = value
reload = true
@export_range(0.1, 5.0) var roll_variation : float = 1.8:
set(value):
roll_variation = value
reload = true
@export_range(0.0, 0.2) var distort_intensity : float = 0.05:
set(value):
distort_intensity = value
reload = true
@export_range(0.0, 1.0) var noise_opacity : float = 0.4:
set(value):
noise_opacity = value
reload = true
@export var noise_speed : float = 5.0:
set(value):
noise_speed = value
reload = true
@export_range(0.0, 1.0) var static_noise_intensity : float = 0.06:
set(value):
static_noise_intensity = value
reload = true
@export_range(-1.0, 1.0) var aberration : float = 0.03:
set(value):
aberration = value
reload = true
@export var brightness : float = 1.4:
set(value):
brightness = value
reload = true
@export var discolor : bool = true:
set(value):
discolor = value
reload = true
@export_range(0.0, 5.0) var warp_amount : float = 1.0:
set(value):
warp_amount = value
reload = true
@export var clip_warp : bool = false:
set(value):
clip_warp = value
reload = true
@export var vignette_intensity : float = 0.4:
set(value):
vignette_intensity = value
reload = true
@export_range(0.0, 1.0) var vignette_opacity : float = 0.5:
set(value):
vignette_opacity = value
reload = true


#@export_category("Bloom")
Expand Down