float Read_PT(int PT)
{
// make 16 readings and average them (reduces some noise) you can tune the number 16 of course
float val;
int count = 16, raw = 0, sensorValue = 0;
for(int i = 0; i< count; i++)
{
if(PT)
{
sensorValue = analogRead(Pressure);
raw += sensorValue;
}
else
{
sensorValue = analogRead(Temp);
raw += sensorValue;
}
}
raw = raw / count; // return 0..1023 representing 0..5V
float voltage = 5.0 * raw / 1023; //CONVERT TO VOLTAGE voltage = 0..5V; we do the math in millivolts!!
// Serial.print(voltage);
// Serial.println();
if(PT) val = mapFloat(voltage, 0.88, 4.4, 0, 50); // Pressure
else val = mapFloat(voltage, 0.88, 4.4, 32, 135); // Temperature
return val;
}
void Ramp::update() {
// Offset elapsed time.
_elapsedTime = _offsetTime;
if (_isRunning) {
// Add difference to elapsed time.
_elapsedTime += (seconds() - _startTime);
// Compute value if running -- otherwise leave as is.
// TODO: implement easing functions
_value = mapFloat(progress(), 0.0f, 1.0f, _from, (_from + _change));
}
}
void main() {
vec2 gravity = vec2(0.0, -0.0005);
float max = 0.05;
float maxSquared = max * max;
outPos = inPos;
outVel = inVel;
outVel += gravity;
// limit speed
float speedSquared = dot(outVel, outVel);
if (speedSquared > maxSquared) {
vec2 norm = normalize(outVel);
outVel *= max;
}
outPos += outVel;
// keep in frame
if (inPos.y < -1.0) {
outPos.x = 0.0;
outPos.y = 0.0;
// reset velocity and position
// use position to generate random number for velocity direction
float newFloat = getRandomFloat(inPos);
// use a different vector to generate a random number for velocity length
vec2 altVec;
if (inPos.x != 0.0 && inPos.y != 0.0) {
altVec = inPos + vec2(1.0/inPos.x, 1.0/inPos.y);
} else {
altVec = inPos;
}
float newSpeed = getRandomFloat(altVec);
newSpeed = mapFloat(newSpeed, 0.0, 1.0, 0.06, 0.15); // make min output number smaller; why does that happen?
outVel = getDir(newFloat);
outVel *= newSpeed;
outPos = mousePos;
}
outCol = inCol;
gl_Position = vec4(outPos, 0.0, 1.0);
}
/*
* encoderRead() function is used to read the encoder value in degrees
*/
float encoderRead()
{
return mapFloat(myEnc.read(), 0, 5260, 0, 360);
}