S-curve acceleration / deceleration model generator (using FPU)
Diff: position_controller.cpp
- Revision:
- 3:65ae32169b33
- Parent:
- 2:2c5e4f521390
- Child:
- 4:4cc455e372c2
--- a/position_controller.cpp Mon Aug 20 13:54:33 2018 +0900 +++ b/position_controller.cpp Sat Sep 15 05:05:27 2018 +0000 @@ -1,16 +1,20 @@ #include "position_controller.h" -PositionController::PositionController(double accDistance_, double decDistance_, double initialVelocity_, double terminalVelocity_, float maxVelocity_, int targetX_, int targetY_) : +PositionController::PositionController(double accDistance_, double decDistance_, double initialVelocity_, double terminalVelocity_, float maxVelocity_) : accDistance(accDistance_), decDistance(decDistance_), initialVelocity(initialVelocity_), terminalVelocity(terminalVelocity_), - maxVelocity(maxVelocity_), - targetX(targetX_), - targetY(targetY_) + maxVelocity(maxVelocity_) { - target = hypot(targetX, targetY); - radians = atan2(targetY, targetX); +} + +void PositionController::targetXY(int targetX_, int targetY_) +{ + targetX = targetX_; + targetY = targetY_; + target = hypot((double)targetX, (double)targetY); + radians = atan2((double)targetY, (double)targetX); if(accDistance * fabs(maxVelocity - initialVelocity) + decDistance * fabs(maxVelocity - terminalVelocity) < target) { enoughDistance = true; } else { @@ -19,7 +23,6 @@ accTrue = accDistance * (target/(accDistance+decDistance)); decTrue = decDistance * (target/(accDistance+decDistance)); } - } double PositionController::generateSineWave(double x, double initV, double termV, double start, double length) @@ -28,7 +31,7 @@ } double PositionController::getVelocity(int position) -{ +{ double vel = 0; if(enoughDistance) { if(position < 0) { @@ -39,7 +42,7 @@ vel = maxVelocity; } else if(position < target) { vel = -generateSineWave(position, -maxVelocity, -terminalVelocity, target - decDistance * fabs(maxVelocity - terminalVelocity), decDistance * fabs(maxVelocity - terminalVelocity)); - } else if(position < 2 * target){ + } else if(position < 2 * target) { vel = -generateSineWave(position, -terminalVelocity, maxVelocity, target, target); } else { vel = -maxVelocity; @@ -48,10 +51,10 @@ if(position < 0) { vel = initialVelocity; } else if(position < accTrue) { - vel = generateSineWave(position, initialVelocity, maxVelocity, 0, accTrue); + vel = generateSineWave(position, initialVelocity, maxVelocity, 0, accTrue); } else if(position < target) { vel = -generateSineWave(position, -maxVelocity, -terminalVelocity, target - decTrue, decTrue); - } else if(position < 2 * target){ + } else if(position < 2 * target) { vel = -generateSineWave(position, -terminalVelocity, maxVelocity, target, target); } else { vel = -maxVelocity;