ajout d'effet de post processing et réparation des graines

common/vfx/materials/shaders/blur_vignette.gdshader

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+shader_type canvas_item;
+
+uniform sampler2D screen_texture: hint_screen_texture, repeat_disable, filter_linear_mipmap;
+uniform float blur_radius : hint_range(0, 1) = 0.2; // Radius of the blur effect
+uniform float blur_amount : hint_range(0, 5) = 1.0; // Strength of the blur effect
+uniform float blur_inner : hint_range(0, 1) = 0.6; // Inner edge of the blur effect
+uniform float blur_outer : hint_range(0, 1) = 0.66; // Outer edge of the blur effect
+
+void fragment() {
+    // Original color of the pixel from the screen
+    vec4 pixelColor = texture(screen_texture, UV);
+    
+    // Color with blur effect from the screen
+    vec4 blurColor = textureLod(screen_texture, SCREEN_UV, blur_amount);
+
+    // Calculate distance from the center of the screen
+    float distance = length(UV - vec2(0.5, 0.5));
+
+    // Apply smoothstep function to control transition between areas
+    float blur = smoothstep(blur_inner - blur_radius, blur_outer, distance);
+
+    // Mix colors of the blur effect and the original color based on the smoothstep value
+    pixelColor.rgb = mix(blurColor.rgb, COLOR.rgb, -blur);
+
+    // Set the alpha component of the blur effect to the smoothstep value
+    blurColor.a = blur;
+
+    // Mix colors of the blur effect with white for an additional effect
+    blurColor.rgb = mix(blurColor.rgb, vec3(1.0), 0.1);
+
+    // Set the final color to the modified color of the blur effect
+    COLOR = blurColor;
+}

common/vfx/materials/shaders/blur_vignette.gdshader.uid

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+uid://cfj18vc04cgkg

common/vfx/materials/shaders/screen_fog.gdshader

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+// Based on https://godotshaders.com/shader/screen-smoke-fog/
+shader_type canvas_item;
+render_mode blend_mix;
+
+// Stuff related to camera position and offsets
+uniform vec2 camera_position;
+uniform vec2 camera_offset;
+uniform float camera_position_speed: 	hint_range(0.0, 1.0) 	= 0.025;
+uniform float camera_offset_speed: 		hint_range(0.0, 1.0) 	= 0.025;
+
+// Uniforms for customization
+uniform sampler2D noise_texture_1 : 	repeat_enable;
+uniform sampler2D noise_texture_2 : 	repeat_enable;
+uniform float noise_blend :				hint_range(0.0, 1.0) 	= 1.0;
+uniform float noise_speed_1 :			hint_range(0.0, 1.0) 	= 1.0;
+uniform float noise_speed_2 :			hint_range(0.0, 1.0) 	= 1.0;
+uniform vec2 noise_dir_1 										= vec2(1.0,+1.0);
+uniform vec2 noise_dir_2										= vec2(1.0,-1.0);
+uniform vec3 smoke_color : 				source_color 			= vec3(0.8);
+uniform float density : 				hint_range(0.0, 1.0) 	= 1.0;
+
+void fragment() {
+	vec2 offset = ( (camera_position * camera_position_speed) + (camera_offset * camera_offset_speed) );
+	
+	vec2 time_offset_1 = TIME * noise_dir_1 * noise_speed_1 * 0.1;
+	vec2 time_offset_2 = TIME * noise_dir_2 * noise_speed_2 * 0.1;
+	
+	// Create distorted UV and sample final noise
+	vec2 distorted_uv_1 = UV + time_offset_1 + vec2(offset.x,offset.y * 1.75) * 0.1;
+	vec2 distorted_uv_2 = UV + time_offset_2 + vec2(offset.x,offset.y * 1.75) * 0.1;
+    
+	vec4 final_noise_1 = texture(noise_texture_1, distorted_uv_1);
+	vec4 final_noise_2 = texture(noise_texture_2, distorted_uv_2);
+    float mixed_noise = mix(final_noise_1, final_noise_2, noise_blend).r;
+	
+	float smoke_alpha = mixed_noise * density;
+    
+	// Output color
+	COLOR = vec4(smoke_color, smoke_alpha);
+}

common/vfx/materials/shaders/screen_fog.gdshader.uid

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+uid://btgk5l0a6ii44