collision detection and CCD: Not exactly fixed but it works good enough

Former-commit-id: 3feb9b1156fc941390b4efe4c1540ed4c5dbd109
Former-commit-id: 8c97b0ade765731800ef09b722e0742e44443338

src/net/torvald/terrarum/gameactors/AVKey.kt

@@ -6,30 +6,69 @@ package net.torvald.terrarum.gameactors
 object AVKey {
     const val MULT = "mult"
 
+    /** pixels per frame
+     * walking/running speed
+     */
     const val SPEED = "speed"
     const val SPEEDMULT = "speed$MULT"
+    /** pixels per frame squared
+     * acceleration of the movement (e.g. running, flying, driving, etc.)
+     */
     const val ACCEL = "accel"
     const val ACCELMULT = "accel$MULT"
     const val SCALE = "scale"
+    /** pixels */
     const val BASEHEIGHT = "baseheight"
+    /** kilogrammes */
     const val BASEMASS = "basemass"
+    /** pixels per frame */
     const val JUMPPOWER = "jumppower"
     const val JUMPPOWERMULT = "jumppower$MULT"
 
+    /** Int
+     * "Default" value of 1 000
+     */
     const val STRENGTH = "strength"
     const val ENCUMBRANCE = "encumbrance"
+    /** 30-bit RGB (Int)
+     * 0000 0010000000 0010000000 0010000000
+     *      ^ Red      ^ Green    ^ Blue
+     */
     const val LUMINOSITY = "luminosity"
     const val PHYSIQUEMULT = "physique$MULT"
     const val DRAGCOEFF = "dragcoeff"
 
+    /** String
+     * e.g. Jarppi
+     */
     const val NAME = "name"
 
+    /** String
+     * e.g. Duudson
+     */
     const val RACENAME = "racename"
+    /** String
+     * e.g. Duudsonit
+     */
     const val RACENAMEPLURAL = "racenameplural"
+    /** killogrammes
+     * will affect attack strength, speed and inventory label
+     * (see "Attack momentum calculator.numbers")
+     * e.g. Hatchet (tiny)
+     */
     const val TOOLSIZE = "toolsize"
+    /** Boolean
+     * whether the player can talk with it
+     */
     const val INTELLIGENT = "intelligent"
 
-    const val BASEDEFENCE = "basedefence" // creature base
-    const val ARMOURDEFENCE = "armourdefence" // armour points
+    /** (unit TBA)
+     * base defence point of the species
+     */
+    const val BASEDEFENCE = "basedefence"
+    /** (unit TBA)
+     * current defence point of worn armour(s)
+     */
+    const val ARMOURDEFENCE = "armourdefence"
     const val ARMOURDEFENCEMULT = "armourdefence$MULT"
 }