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GROOVE RADAR: Difference between revisions
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(Updated with some newer songs like Firestorm and Prey) |
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It is actually calculated as the average number of steps per minute, calculated as the following: | It is actually calculated as the average number of steps per minute, calculated as the following: | ||
<pre>Average Step Density = 60 × (Steps + Shock Arrows) ÷ Song Length (sec)</pre> | <pre>Average Step Density = 60 × (Steps + Shock Arrows) ÷ Song Length (sec)</pre> | ||
The Average Step Density is the average | The Average Step Density is the average number of steps per minute, always rounded down to the nearest whole number. The Song Length is usually determined by the time between the song's beginning (usually right when the music starts) and end (when the "CLEARED" message appears). As of [[AC DDR X|DanceDanceRevolution X]], any Shock Arrows present in the chart will also contribute towards the Average Step Density. | ||
* If Average Step Density is equal to or less than 300, STREAM value = Average Step Density ÷ 3. | * If Average Step Density is equal to or less than 300, STREAM value = Average Step Density ÷ 3. | ||
* If Average Step Density is equal to or greater than 300, | * If Average Step Density is equal to or greater than 300, | ||
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== VOLTAGE == | == VOLTAGE == | ||
'''VOLTAGE''' refers to the peak density of the steps of the song. It is the highest density of arrows that appear on the screen at once in one measure (four beats). The chart with the highest VOLTAGE value is [[ACE FOR ACES]]' Single CHALLENGE, with 260. | '''VOLTAGE''' refers to the peak density of the steps of the song. It is the highest density of arrows that appear on the screen at once in one measure (four beats). Charts with sections very densely packed with notes and featuring high average BPMs generally have high VOLTAGE values. The chart with the highest VOLTAGE value is [[ACE FOR ACES]]' Single CHALLENGE, with 260. | ||
To calculate VOLTAGE, find the average BPM of the song first. The average BPM is calculated as: | To calculate VOLTAGE, find the average BPM of the song first. The average BPM is calculated as: | ||
<pre>Average BPM = 60 × Song Length (beats) ÷ Song Length (sec)</pre> | <pre>Average BPM = 60 × Song Length (beats) ÷ Song Length (sec)</pre> | ||
where Song Length is determined both in beats and in seconds; both are measured from the beginning all the way to the end (when it says "CLEARED"). Once the average BPM is found, find the | where Song Length is determined both in beats and in seconds; both are measured from the beginning (usually right when the music starts) all the way to the end (when it says "CLEARED"). Once the average BPM is found, find the Peak Density (the maximum number of notes, including Shock Arrows, if any, that occur in four consecutive beats) and divide by 4 to find the Average Peak Density Per Minute value, which is always an integer number. If a song has no stops or BPM changes, use the song's BPM instead. | ||
* If Average Peak Density Per Minute is equal to or less than 600, VOLTAGE = Average Peak Density Per Minute ÷ 6. | * If Average Peak Density Per Minute is equal to or less than 600, VOLTAGE = Average Peak Density Per Minute ÷ 6. | ||
* If Average Peak Density Per Minute is equal to or greater than 600, VOLTAGE = (Average Peak Density Per Minute + 594) × 100 ÷ 1194. | * If Average Peak Density Per Minute is equal to or greater than 600, VOLTAGE = (Average Peak Density Per Minute + 594) × 100 ÷ 1194. | ||
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It is calculated similarly to STREAM except only jumps and Shock Arrows are involved: | It is calculated similarly to STREAM except only jumps and Shock Arrows are involved: | ||
<pre>Average Air Density = 60 × (Jumps + Shock Arrows) ÷ Song Length (sec)</pre> | <pre>Average Air Density = 60 × (Jumps + Shock Arrows) ÷ Song Length (sec)</pre> | ||
As with STREAM, Average Air Density is an integer number. | As with STREAM, Average Air Density is an integer number. On Double charts, if a Shock Arrow occurs right next to a jump, both that Shock Arrow and jump count towards AIR. | ||
* If Average Air Density is equal to or less than 55, AIR = Average Air Density × 20 ÷ 11. | * If Average Air Density is equal to or less than 55, AIR = Average Air Density × 20 ÷ 11. | ||
* If Average Air Density is equal to or greater than 55, | * If Average Air Density is equal to or greater than 55, | ||
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; Rankings (Single) | ; Rankings (Single) | ||
# CHAOS (CHALLENGE): 200 | # CHAOS (CHALLENGE): 200 | ||
# [[ANTI ANTHEM]] (EXPERT): 199 | |||
# ACE FOR ACES (CHALLENGE): 175 | # ACE FOR ACES (CHALLENGE): 175 | ||
# [[ORCA]] (EXPERT): 172 | # [[ORCA]] (EXPERT): 172 | ||
# [[CHAOS Terror-Tech Mix]] (CHALLENGE): 169 | # [[CHAOS Terror-Tech Mix]] (CHALLENGE): 169 | ||
; Rankings (Double) | ; Rankings (Double) | ||
# CHAOS (CHALLENGE): 200 | # CHAOS (CHALLENGE): 200 | ||
# ACE FOR ACES (CHALLENGE)/ORCA (EXPERT): 188 | # ACE FOR ACES (CHALLENGE)/ORCA (EXPERT): 188 | ||
# CHAOS Terror-Tech Mix (CHALLENGE): 181 | # ANTI ANTHEM (EXPERT)/CHAOS Terror-Tech Mix (CHALLENGE): 181 | ||
# CHAOS (EXPERT): 177 | # CHAOS (EXPERT): 177 | ||
# [[Over The "Period"|Over The “Period”]] (CHALLENGE): 161 | # [[Over The "Period"|Over The “Period”]] (CHALLENGE): 161 | ||