body & combat primitives wip

engine/items/itemprops/item_physics.go

@@ -0,0 +1,37 @@
+package itemprops
+
+import "github.com/shopspring/decimal"
+
+type ItemPhysics struct {
+    Material    Material
+    Rigidity    DimensionItemRigidity
+    Size        DimensionItemSize
+    Temperature DimensionItemTemperature
+}
+
+//DimensionItemSize length in m (1 mm = 1/1000 of 1m)
+type DimensionItemSize struct {
+    Width  decimal.Decimal
+    Height decimal.Decimal
+    // if item is solid - depth in m (1mm = 1/1000 of m)
+    Depth decimal.NullDecimal
+    //Thickness if item is hollow - thickness of outer item shell, ie for armor, in m (1 mm = 1/1000 of m)
+    Thickness decimal.NullDecimal
+}
+
+//Area is frontal area
+func (d *DimensionItemSize) Area() decimal.Decimal {
+    return d.Width.Mul(d.Height)
+}
+
+//DimensionItemDensity density in kg/m3
+type DimensionItemDensity decimal.Decimal
+
+//DimensionItemRigidity rigidity жёсткость, способность твёрдого тела, конструкции или её элементов сопротивляться деформации in N/m
+type DimensionItemRigidity decimal.Decimal
+
+//NotchFractureToughness ударная вязкость по Шарпи, Дж (надо ли?)
+type NotchFractureToughness decimal.Decimal
+
+//DimensionItemTemperature in celsius, -273 to 10000
+type DimensionItemTemperature decimal.Decimal