Add 10 ProceduralTexture demos

Foundation-Models-Playgrounds/Playgrounds/ProceduralTextureDemo01.swift

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+//
+//  ProceduralTextureDemo01.swift
+//  Foundation-Models-Playgrounds
+//
+//  Created by OpenAI Assistant on 7/21/26.
+//
+
+import FoundationModels
+import Playgrounds
+import RealityKit
+import SwiftUI
+
+@Generable(description: "Simple procedural material description for RealityKit.")
+struct ProceduralTexture: Codable {
+    var baseColor: String
+    var roughness: Float
+    var metallic: Float
+    var normalIntensity: Float
+    var pattern: String?
+}
+
+@Generable(description: "Procedural material parameters derived from text adjectives.")
+struct TextureRecipe {
+    var adjectives: [String]
+    var texture: ProceduralTexture
+    @Guide(description: "Tips for further tweaking in Reality Composer Pro.")
+    var authorNotes: String
+}
+
+#Playground {
+    let description = "shiny metallic gold with subtle scratches"
+    let instruction = """
+    Turn the adjective phrase into a procedural material recipe suitable for RealityKit's `SimpleMaterial`.
+    Fill `ProceduralTexture` fields; choose pattern names that standard shaders can emulate.
+    """
+    let session = LanguageModelSession(instructions: instruction)
+    let recipe = try await session.respond(
+        to: Prompt(description),
+        generating: TextureRecipe.self
+    )
+}

Foundation-Models-Playgrounds/Playgrounds/ProceduralTextureDemo02.swift

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+//
+//  ProceduralTextureDemo02.swift
+//  Foundation-Models-Playgrounds
+//
+//  Created by OpenAI Assistant on 7/21/26.
+//
+
+import FoundationModels
+import Playgrounds
+import RealityKit
+import SwiftUI
+
+@Generable(description: "Simple procedural material description for RealityKit.")
+struct ProceduralTexture: Codable {
+    var baseColor: String
+    var roughness: Float
+    var metallic: Float
+    var normalIntensity: Float
+    var pattern: String?
+}
+
+@Generable(description: "Procedural material parameters derived from text adjectives.")
+struct TextureRecipe {
+    var adjectives: [String]
+    var texture: ProceduralTexture
+    @Guide(description: "Tips for further tweaking in Reality Composer Pro.")
+    var authorNotes: String
+}
+
+#Playground {
+    let description = "rough emerald stone with speckles"
+    let instruction = """
+    Turn the adjective phrase into a procedural material recipe suitable for RealityKit's `SimpleMaterial`.
+    Fill `ProceduralTexture` fields; choose pattern names that standard shaders can emulate.
+    """
+    let session = LanguageModelSession(instructions: instruction)
+    let recipe = try await session.respond(
+        to: Prompt(description),
+        generating: TextureRecipe.self
+    )
+}

Foundation-Models-Playgrounds/Playgrounds/ProceduralTextureDemo03.swift

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+//
+//  ProceduralTextureDemo03.swift
+//  Foundation-Models-Playgrounds
+//
+//  Created by OpenAI Assistant on 7/21/26.
+//
+
+import FoundationModels
+import Playgrounds
+import RealityKit
+import SwiftUI
+
+@Generable(description: "Simple procedural material description for RealityKit.")
+struct ProceduralTexture: Codable {
+    var baseColor: String
+    var roughness: Float
+    var metallic: Float
+    var normalIntensity: Float
+    var pattern: String?
+}
+
+@Generable(description: "Procedural material parameters derived from text adjectives.")
+struct TextureRecipe {
+    var adjectives: [String]
+    var texture: ProceduralTexture
+    @Guide(description: "Tips for further tweaking in Reality Composer Pro.")
+    var authorNotes: String
+}
+
+#Playground {
+    let description = "soft sky blue fabric with diagonal weave"
+    let instruction = """
+    Turn the adjective phrase into a procedural material recipe suitable for RealityKit's `SimpleMaterial`.
+    Fill `ProceduralTexture` fields; choose pattern names that standard shaders can emulate.
+    """
+    let session = LanguageModelSession(instructions: instruction)
+    let recipe = try await session.respond(
+        to: Prompt(description),
+        generating: TextureRecipe.self
+    )
+}

Foundation-Models-Playgrounds/Playgrounds/ProceduralTextureDemo04.swift

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+//
+//  ProceduralTextureDemo04.swift
+//  Foundation-Models-Playgrounds
+//
+//  Created by OpenAI Assistant on 7/21/26.
+//
+
+import FoundationModels
+import Playgrounds
+import RealityKit
+import SwiftUI
+
+@Generable(description: "Simple procedural material description for RealityKit.")
+struct ProceduralTexture: Codable {
+    var baseColor: String
+    var roughness: Float
+    var metallic: Float
+    var normalIntensity: Float
+    var pattern: String?
+}
+
+@Generable(description: "Procedural material parameters derived from text adjectives.")
+struct TextureRecipe {
+    var adjectives: [String]
+    var texture: ProceduralTexture
+    @Guide(description: "Tips for further tweaking in Reality Composer Pro.")
+    var authorNotes: String
+}
+
+#Playground {
+    let description = "weathered bronze with patina streaks"
+    let instruction = """
+    Turn the adjective phrase into a procedural material recipe suitable for RealityKit's `SimpleMaterial`.
+    Fill `ProceduralTexture` fields; choose pattern names that standard shaders can emulate.
+    """
+    let session = LanguageModelSession(instructions: instruction)
+    let recipe = try await session.respond(
+        to: Prompt(description),
+        generating: TextureRecipe.self
+    )
+}

Foundation-Models-Playgrounds/Playgrounds/ProceduralTextureDemo05.swift

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+//
+//  ProceduralTextureDemo05.swift
+//  Foundation-Models-Playgrounds
+//
+//  Created by OpenAI Assistant on 7/21/26.
+//
+
+import FoundationModels
+import Playgrounds
+import RealityKit
+import SwiftUI
+
+@Generable(description: "Simple procedural material description for RealityKit.")
+struct ProceduralTexture: Codable {
+    var baseColor: String
+    var roughness: Float
+    var metallic: Float
+    var normalIntensity: Float
+    var pattern: String?
+}
+
+@Generable(description: "Procedural material parameters derived from text adjectives.")
+struct TextureRecipe {
+    var adjectives: [String]
+    var texture: ProceduralTexture
+    @Guide(description: "Tips for further tweaking in Reality Composer Pro.")
+    var authorNotes: String
+}
+
+#Playground {
+    let description = "frosty ice crystal with ridges"
+    let instruction = """
+    Turn the adjective phrase into a procedural material recipe suitable for RealityKit's `SimpleMaterial`.
+    Fill `ProceduralTexture` fields; choose pattern names that standard shaders can emulate.
+    """
+    let session = LanguageModelSession(instructions: instruction)
+    let recipe = try await session.respond(
+        to: Prompt(description),
+        generating: TextureRecipe.self
+    )
+}

Foundation-Models-Playgrounds/Playgrounds/ProceduralTextureDemo06.swift

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+//
+//  ProceduralTextureDemo06.swift
+//  Foundation-Models-Playgrounds
+//
+//  Created by OpenAI Assistant on 7/21/26.
+//
+
+import FoundationModels
+import Playgrounds
+import RealityKit
+import SwiftUI
+
+@Generable(description: "Simple procedural material description for RealityKit.")
+struct ProceduralTexture: Codable {
+    var baseColor: String
+    var roughness: Float
+    var metallic: Float
+    var normalIntensity: Float
+    var pattern: String?
+}
+
+@Generable(description: "Procedural material parameters derived from text adjectives.")
+struct TextureRecipe {
+    var adjectives: [String]
+    var texture: ProceduralTexture
+    @Guide(description: "Tips for further tweaking in Reality Composer Pro.")
+    var authorNotes: String
+}
+
+#Playground {
+    let description = "glossy black marble with white veins"
+    let instruction = """
+    Turn the adjective phrase into a procedural material recipe suitable for RealityKit's `SimpleMaterial`.
+    Fill `ProceduralTexture` fields; choose pattern names that standard shaders can emulate.
+    """
+    let session = LanguageModelSession(instructions: instruction)
+    let recipe = try await session.respond(
+        to: Prompt(description),
+        generating: TextureRecipe.self
+    )
+}

Foundation-Models-Playgrounds/Playgrounds/ProceduralTextureDemo07.swift

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+//
+//  ProceduralTextureDemo07.swift
+//  Foundation-Models-Playgrounds
+//
+//  Created by OpenAI Assistant on 7/21/26.
+//
+
+import FoundationModels
+import Playgrounds
+import RealityKit
+import SwiftUI
+
+@Generable(description: "Simple procedural material description for RealityKit.")
+struct ProceduralTexture: Codable {
+    var baseColor: String
+    var roughness: Float
+    var metallic: Float
+    var normalIntensity: Float
+    var pattern: String?
+}
+
+@Generable(description: "Procedural material parameters derived from text adjectives.")
+struct TextureRecipe {
+    var adjectives: [String]
+    var texture: ProceduralTexture
+    @Guide(description: "Tips for further tweaking in Reality Composer Pro.")
+    var authorNotes: String
+}
+
+#Playground {
+    let description = "velvet crimson with fine texture"
+    let instruction = """
+    Turn the adjective phrase into a procedural material recipe suitable for RealityKit's `SimpleMaterial`.
+    Fill `ProceduralTexture` fields; choose pattern names that standard shaders can emulate.
+    """
+    let session = LanguageModelSession(instructions: instruction)
+    let recipe = try await session.respond(
+        to: Prompt(description),
+        generating: TextureRecipe.self
+    )
+}

Foundation-Models-Playgrounds/Playgrounds/ProceduralTextureDemo08.swift

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+//
+//  ProceduralTextureDemo08.swift
+//  Foundation-Models-Playgrounds
+//
+//  Created by OpenAI Assistant on 7/21/26.
+//
+
+import FoundationModels
+import Playgrounds
+import RealityKit
+import SwiftUI
+
+@Generable(description: "Simple procedural material description for RealityKit.")
+struct ProceduralTexture: Codable {
+    var baseColor: String
+    var roughness: Float
+    var metallic: Float
+    var normalIntensity: Float
+    var pattern: String?
+}
+
+@Generable(description: "Procedural material parameters derived from text adjectives.")
+struct TextureRecipe {
+    var adjectives: [String]
+    var texture: ProceduralTexture
+    @Guide(description: "Tips for further tweaking in Reality Composer Pro.")
+    var authorNotes: String
+}
+
+#Playground {
+    let description = "matte olive drab with camo blotches"
+    let instruction = """
+    Turn the adjective phrase into a procedural material recipe suitable for RealityKit's `SimpleMaterial`.
+    Fill `ProceduralTexture` fields; choose pattern names that standard shaders can emulate.
+    """
+    let session = LanguageModelSession(instructions: instruction)
+    let recipe = try await session.respond(
+        to: Prompt(description),
+        generating: TextureRecipe.self
+    )
+}

Foundation-Models-Playgrounds/Playgrounds/ProceduralTextureDemo09.swift

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+//
+//  ProceduralTextureDemo09.swift
+//  Foundation-Models-Playgrounds
+//
+//  Created by OpenAI Assistant on 7/21/26.
+//
+
+import FoundationModels
+import Playgrounds
+import RealityKit
+import SwiftUI
+
+@Generable(description: "Simple procedural material description for RealityKit.")
+struct ProceduralTexture: Codable {
+    var baseColor: String
+    var roughness: Float
+    var metallic: Float
+    var normalIntensity: Float
+    var pattern: String?
+}
+
+@Generable(description: "Procedural material parameters derived from text adjectives.")
+struct TextureRecipe {
+    var adjectives: [String]
+    var texture: ProceduralTexture
+    @Guide(description: "Tips for further tweaking in Reality Composer Pro.")
+    var authorNotes: String
+}
+
+#Playground {
+    let description = "sparkling silver glitter surface"
+    let instruction = """
+    Turn the adjective phrase into a procedural material recipe suitable for RealityKit's `SimpleMaterial`.
+    Fill `ProceduralTexture` fields; choose pattern names that standard shaders can emulate.
+    """
+    let session = LanguageModelSession(instructions: instruction)
+    let recipe = try await session.respond(
+        to: Prompt(description),
+        generating: TextureRecipe.self
+    )
+}