Mortar Miss Radius Multiplier
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Mortar Miss Radius Multiplier is a stat: A multiplier on the miss radius of a mortar used by this person. Smaller numbers means more accurate mortar shells. Its minimum allowed value is 0%. Its default value is 100%. This multiplier is applied to the miss radius of the mortar, currently this radius is 9 tiles.
This stat still applies if the Classic Mortars storyteller setting is turned on, however the base radius is increased to 13 tiles.
There is always some variation in landing place, even with a multiplier of 0% where there should nominally be no spread at all. The image to the right shows the smallest possible distribution. It is currently unknown at what MMRM this spread is achieved, as it likely is higher than 0%.
Factors
- Shooting: 20% plus -2.5% per skill level.
- Sight: -1*(Sight Percentage-100%). 100% max
- Manipulation: -0.5*(Manipulation Percentage-100%). No Max.
Note: The resulting radius in the table below assumes that the Classic Mortars storyteller setting has not been enabled.
| Shooting Skill Level | Mortar Miss Radius Multiplier (Resulting Radius) | ||
|---|---|---|---|
| 100% Manipulation | 125% Manipulation | 150% Manipulation | |
| 0 | 120% (10.8) | 108% (9.7) | 95% (8.6) |
| 1 | 117% (10.5) | 105% (9.5) | 93% (8.4) |
| 2 | 115% (10.4) | 103% (9.3) | 90% (8.1) |
| 3 | 112% (10.1) | 100% (9) | 88% (7.9) |
| 4 | 110% (9.9) | 98% (8.8) | 85% (7.7) |
| 5 | 107% (9.6) | 95% (8.6) | 83% (7.5) |
| 6 | 105% (9.5) | 95% (8.6) | 83% (7.5) |
| 7 | 102% (9.2) | 90% (8.1) | 78% (7) |
| 8 | 100% (9) | 88% (7.9) | 75% (6.8) |
| 9 | 97% (8.7) | 85% (7.7) | 73% (6.6) |
| 10 | 95% (8.6) | 83% (7.5) | 70% (6.3) |
| 11 | 92% (8.3) | 80% (7.2) | 68% (6.1) |
| 12 | 90% (8.1) | 78% (7) | 65% (5.9) |
| 13 | 87% (7.8) | 75% (6.8) | 63% (5.7) |
| 14 | 85% (7.7) | 73% (6.6) | 60% (5.4) |
| 15 | 82% (7.4) | 70% (6.3) | 58% (5.2) |
| 16 | 80% (7.2) | 68% (6.1) | 55% (5) |
| 17 | 77% (6.9) | 65% (5.9) | 53% (4.8) |
| 18 | 75% (6.8) | 63% (5.7) | 50% (4.5) |
| 19 | 72% (6.5) | 60% (5.4) | 48% (4.3) |
| 20 | 70% (6.3) | 58% (5.2) | 45% (4.1) |
Example
 | This section is a stub. You can help RimWorld Wiki by expanding it. Reason: As the smallest possible radius is larger than 1 tile, there is likely a limit before 0% that offers the same performance. It should be identified and added.. |
| Mortar Miss Radius Multiplier = 100% + (20% + Shooting Skill * -2.5%) - ( Max(Sight Percentage, 100%) - 100%) - 0.5*(Manipulation Percentage-100% ) |
Thus, for 20 Shooting Skill, 100% Sight, and 150% manipulation:
| Mortar Miss Radius Multiplier = 100% + (20% + 20 * -2.5%) - (100% - 100%) - 0.5*(150%-100% ) = 45% (4.05 tiles) |
The stats required for 0% MMRM can be found through algebra.
| For skill 0: | For skill 20: |
|---|---|
|
0 = 100% + (20% + 0 * -2.5%) - (100% - 100%) - 0.5*(x-100% ) 0 = 120% - 0.5x + 50% x = 240% + 100% x = 340% Manipulation |
0 = 100% + (20% + 20 * -2.5%) - (100% - 100%) - 0.5*(x-100% ) 0 = 100% + 20% - 50% - 0.5x + 50% x = 2 * ( 100% + 20% - 50% + 50%) x = 240% Manipulation |
Version history
- 1.3.3200 - Added. Previously there was no skill effect on mortar accuracy.
- Capacities
- Pain • Consciousness • Moving • Manipulation • Talking • Eating • Sight • Hearing • Breathing • Blood Filtration • Blood Pumping • Digestion
- Basics | Important
- Market Value • Market Value Ignoring Hitpoints • Honor Value
- Non Pawn Important
- Nutrition • Medical Potency • Medical Tend Quality Maximum • Max Hit Points
- Basics
- Mass • Flammability • Psychic Sensitivity Factor • Psychic Sensitivity Offset • Neural Heat Limit Offset • Neural Heat Recovery Rate Offset • Slave Suppression Offset
• Terror (Source) • Max Install Count 
- Pawn
- Recreation Fall Rate • Sleep Fall Rate • Eating Speed • Foraged Food Amount • Minimum Handling Skill • Mental Break Threshold • Immunity Gain Speed • Pain Shock Threshold • Lifespan Factor • Minimum Comfortable Temperature • Maximum Comfortable Temperature • Injury Healing Factor • Caravan Riding Speed • Carrying Capacity • Filth Rate • Crawl Speed • Move Speed • Max Nutrition • Rest Rate Multiplier • Toxic Environment Resistance • Toxic Resistance • Animals Learning Factor • Global Learning Factor • Neural Heat Limit • Psychic Sensitivity • Leather Amount • Meat Amount • Neural Heat Recovery Rate • Meditation Psyfocus Gain • Neural Heat Gain (Factor) • Ideoligion Spread Chance • Global Certainty Loss Factor • Terror • Raw Nutrition Multiplier • Learning Rate Factor • Cancer Rate Factor • Fertility • Hemogen Gain Multiplier
- Non Pawn
- Construction Speed (Material Factor) • Deterioration Rate • Sell Price Multiplier • Beauty • Outdoor Beauty • Cleanliness • Comfort • Work To Make • Food Poison Chance (Food Stat) • Shooting Accuracy (Turrets) • Style Dominance
- Mechanoid
- EMP Resistance • Bandwidth Cost • Energy Usage Multiplier • Wastepacks Per Recharge • Control Taking Time • Repair Energy Cost
- Apparel
- Armor - Material Effect Multiplier • Insulation - Cold - Material Effect Multiplier • Insulation - Heat - Material Effect Multiplier • Equip Delay • Pack Radius • Shield Recharge Rate • Shield Max Energy • Insulation - Heat • Insulation - Cold • Armor - Heat • Armor - Blunt • Armor - Sharp • Jump Range
- Weapon (Ranged)
- Ranged Damage Multiplier • Ranged Cooldown • Accuracy (Long) • Accuracy (Medium) • Accuracy (Short) • Accuracy (Close)
- Weapon (Melee)
- Melee Damage Multiplier • Melee Weapon Average Armor Penetration • Melee Damage Per Second
- Building
- Research Speed Factor • Max Power Output • Medical Tend Quality Offset • Work Speed Factor • Work Efficiency Factor • Work To Build • Door Opening Speed • Rest Effectiveness • Immunity Gain Speed Factor • Recreation Power • Surgery Success Chance Factor • Reading Bonus • Trap Spring Chance • Trap Melee Damage • Biosculpter Pod Speed Factor • Assembly Speed Factor • Baby Play Power • Birth Quality Offset • Genetic Complexity Increase
- Ability
- Detection Chance • Goodwill Impact • Effect Radius • Duration • Range • Psyfocus Cost • Neural Heat Gain • Casting Time • Psylink Level
- Stuff Stat Factors (Multipliers when made of this)
- Melee Cooldown • Sharp Damage • Blunt Damage • Insulation - Heat (Material Factor) • Insulation - Cold (Material Factor) • Armor - Heat (Material Factor) • Armor - Blunt (Material Factor) • Armor - Sharp (Material Factor)
- Mechanitor
- Mech Bandwidth • Mech Control Groups • Mech Gestation Speed • Mech Remote Repair Distance • Mech Remote Shield Distance • Mech Remote Shield Energy • Mech Repair Speed • Subcore Encoding Speed • Mech Work Speed Offset
- Pawn | Combat
- Stagger Time Multiplier • Ranged Cooldown Multiplier • Aiming Time • Pawn Trap Spring Chance • Incoming Damage Multiplier • Accuracy Factor (Long) • Accuracy Factor (Medium) • Accuracy Factor (Short) • Accuracy Factor (Close) • Shooting Accuracy (Indoors Dark • Indoors Lit • Outdoors Dark • Outdoors Lit ) • Mortar Miss Radius Multiplier • Melee Armor Penetration • Melee Dodge Chance (Indoors Dark • Indoors Lit • Outdoors Night • Outdoors Day ) • Melee Hit Chance (Indoors Dark • Indoors Lit • Outdoors Dark • Outdoors Lit ) • Melee DPS • Melee Damage Factor • Melee Cooldown • Melee Door Damage Factor • Shooting Accuracy Multiplier (Child)
- Social
- Bond Chance Factor • Train Animal Chance • Tame Animal Chance • Arrest Success Chance • Beauty (Pawn) • Social Impact • Drug Sell Price Improvement • Trade Price Improvement • Negotiation Ability • Suppression Power • Conversion Power • Slave Suppression Fall Rate • Animal Products Price Improvement
- Work
- Cleaning Speed Multiplier • Butchery Speed • Mechanoid Shredding Speed • Hunting Stealth • Research Speed • Smelting Speed • Smoothing Speed • Animal Gather Speed • Animal Gather Yield • Drug Cooking Speed • Drug Synthesis Speed • Butchery Efficiency • Mechanoid Shredding Efficiency • Cooking Speed • Food Poison Chance • Plant Work Speed • Plant Harvest Yield • Drug Crop Harvest Yield • Reading Speed • Repair Success Chance • Construct Success Chance • Construction Speed • Medical Tend Speed • Medical Tend Quality • Medical Operation Speed • Medical Surgery Success Chance • Mining Speed • Deep Drilling Speed • Mining Yield • General Labor Speed • Global Work Speed • Hacking Speed • Pruning Speed • Activity Suppression Speed
• Study Efficiency • Entity Study Rate - Hidden
- Bed Hunger Rate Multiplier