1 files changed, 37 insertions, 0 deletions
diff --git a/ShedCalc/ParamModel.swift b/ShedCalc/ParamModel.swift
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+++ b/ShedCalc/ParamModel.swift
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+//
+//  ParamModel.swift
+//  ShedCalc
+//
+//  Created by Jacky Jack on 01/08/2026.
+//
+import Combine
+import SwiftUI
+import Observation
+
+@Observable
+class ParamModel {
+    var width: Float = 1.0
+    var height: Float = 1.0
+    var length: Float = 1.0
+    var beamSpace: Float = 0.6
+    
+    func floorArea() -> Float {
+        return width*length
+    }
+    
+    func roofArea() -> Float {
+        return width*length
+    }
+    
+    func dimensions() -> SIMD3<Float> {
+        return [width,length,height]
+    }
+    
+    func widthBeamNum() -> Int {
+        return Int(width/beamSpace) + 1
+    }
+    
+    func lengthBeamNum() -> Int {
+        return Int(length/beamSpace) + 1
+    }
+}