private static ObjectAction GetSatelliteMoveAndDestroyAction(
long initialAngleInMillidegrees,
GuidGenerator guidGenerator)
{
string angleVariableName = guidGenerator.NextGuid();
ObjectAction initializeAngleVariableAction = ObjectActionGenerator.DoOnce(
ObjectAction.SetNumericVariable(angleVariableName, MathExpression.Constant(initialAngleInMillidegrees)));
ObjectAction updateAngleVariableAction = ObjectAction.Union(
ObjectAction.SetNumericVariable(
angleVariableName,
MathExpression.Add(MathExpression.Variable(angleVariableName), MathExpression.Multiply(MathExpression.Constant(50), MathExpression.ElapsedMillisecondsPerIteration()))),
ObjectAction.Condition(
condition: BooleanExpression.GreaterThan(MathExpression.Variable(angleVariableName), MathExpression.Constant(360 * 1000)),
action: ObjectAction.SetNumericVariable(angleVariableName, MathExpression.Subtract(MathExpression.Variable(angleVariableName), MathExpression.Constant(360 * 1000)))),
ObjectAction.Condition(
condition: BooleanExpression.GreaterThan(MathExpression.Variable(angleVariableName), MathExpression.Constant(360 * 1000)),
action: ObjectAction.SetNumericVariable(angleVariableName, MathExpression.Constant(0))));
long radius = 110;
ObjectAction setPositionAction = ObjectAction.SetPosition(
xMillis: MathExpression.Add(MathExpression.ParentXMillis(), MathExpression.Multiply(MathExpression.Constant(radius), MathExpression.CosineScaled(MathExpression.Multiply(MathExpression.Variable(angleVariableName), MathExpression.Constant(-1))))),
yMillis: MathExpression.Add(MathExpression.ParentYMillis(), MathExpression.Multiply(MathExpression.Constant(radius), MathExpression.SineScaled(MathExpression.Multiply(MathExpression.Variable(angleVariableName), MathExpression.Constant(-1))))));
string facingAngleVariableName = guidGenerator.NextGuid();
ObjectAction initializeFacingAngleVariableAction = ObjectActionGenerator.DoOnce(
ObjectAction.SetNumericVariable(facingAngleVariableName, MathExpression.RandomInteger(360 * 1000)));
ObjectAction updateFacingAngleVariableAction = ObjectAction.Union(
ObjectAction.SetNumericVariable(
facingAngleVariableName,
MathExpression.Add(MathExpression.Variable(facingAngleVariableName), MathExpression.Multiply(MathExpression.Constant(500), MathExpression.ElapsedMillisecondsPerIteration()))),
ObjectAction.Condition(
condition: BooleanExpression.GreaterThan(MathExpression.Variable(facingAngleVariableName), MathExpression.Constant(360 * 1000)),
action: ObjectAction.SetNumericVariable(facingAngleVariableName, MathExpression.Subtract(MathExpression.Variable(facingAngleVariableName), MathExpression.Constant(360 * 1000)))),
ObjectAction.Condition(
condition: BooleanExpression.GreaterThan(MathExpression.Variable(facingAngleVariableName), MathExpression.Constant(360 * 1000)),
action: ObjectAction.SetNumericVariable(facingAngleVariableName, MathExpression.Constant(0))));
ObjectAction setFacingDirectionAction = ObjectAction.SetFacingDirection(MathExpression.Multiply(MathExpression.Variable(facingAngleVariableName), MathExpression.Constant(-1)));
ObjectAction destroyAction = ObjectAction.Condition(
condition: BooleanExpression.IsParentDestroyed(),
action: ObjectAction.Destroy());
return(ObjectAction.Union(
initializeAngleVariableAction,
updateAngleVariableAction,
setPositionAction,
initializeFacingAngleVariableAction,
updateFacingAngleVariableAction,
setFacingDirectionAction,
destroyAction));
}