wiki:v2:arduino_api
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wiki:v2:arduino_api [2018/05/28 01:44] pixycam |
wiki:v2:arduino_api [2020/01/28 03:54] jfrench [uint16_t getBlocks(uint16_t maxBlocks=1000)] |
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| ==== uint16_t getBlocks(uint16_t maxBlocks=1000) ==== | ==== uint16_t getBlocks(uint16_t maxBlocks=1000) ==== | ||
| - | The most important method in the Arduino library is ''%%getBlocks()%%'', which returns the number of objects Pixy has detected. You can then look in the ''%%pixy.blocks[]%%'' array for information about each detected object (one array member for each detected object.) Each array member (''%%i%%'') contains the following fields: | + | The most important method in the Arduino library is ''%%getBlocks()%%'', which returns the number of objects Pixy has detected. You can then look in the ''%%pixy.ccc.blocks[]%%'' array for information about each detected object (one array member for each detected object.) Each array member (''%%i%%'') contains the following fields: |
| - | * ''%%pixy.blocks[i].signature%%'' The signature number of the detected object (1-7 for normal signatures) | + | * ''%%pixy.ccc.blocks[i].m_signature%%'' The signature number of the detected object (1-7 for normal signatures) |
| - | * ''%%pixy.blocks[i].x%%'' The x location of the center of the detected object (0 to 319) | + | * ''%%pixy.ccc.blocks[i].m_x%%'' The x location of the center of the detected object (0 to 316) |
| - | * ''%%pixy.blocks[i].y%%'' The y location of the center of the detected object (0 to 199) | + | * ''%%pixy.ccc.blocks[i].m_y%%'' The y location of the center of the detected object (0 to 208) |
| - | * ''%%pixy.blocks[i].width%%'' The width of the detected object (1 to 320) | + | * ''%%pixy.ccc.blocks[i].m_width%%'' The width of the detected object (1 to 316) |
| - | * ''%%pixy.blocks[i].height%%'' The height of the detected object (1 to 200) | + | * ''%%pixy.ccc.blocks[i].m_height%%'' The height of the detected object (1 to 208) |
| - | * ''%%pixy.blocks[i].angle%%'' The angle of the object detected object if the detected object is a [[wiki:v2:Using_Color_Codes|color code]]. | + | * ''%%pixy.ccc.blocks[i].m_angle%%'' The angle of the object detected object if the detected object is a [[wiki:v2:Using_Color_Codes|color code]] (-180 to 180). |
| - | * ''%%pixy.blocks[i].print()%%'' A member function that prints the detected object information to the serial port | + | * ''%%pixy.ccc.blocks[i].m_index%%'' The [[wiki:v2:color_connected_components#Pixy2 "tracks" each object it detects|tracking index]] of the block |
| + | * ''%%pixy.ccc.blocks[i].m_age%%'' The number of frames the block has been tracked. | ||
| + | * ''%%pixy.ccc.blocks[i].print()%%'' A member function that prints the detected object information to the serial port | ||
| ''%%getBlocks()%%'' accepts an optional number argument (''%%uint16_t%%'') that indicates the maximum number of blocks you want ''%%getBlocks()%%'' to return. | ''%%getBlocks()%%'' accepts an optional number argument (''%%uint16_t%%'') that indicates the maximum number of blocks you want ''%%getBlocks()%%'' to return. | ||
wiki/v2/arduino_api.txt · Last modified: 2020/01/28 03:56 by jfrench
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