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How to determine if a point is in a 2D triangle? [closed]
...nce issues.
And here's some code to get you started:
float sign (fPoint p1, fPoint p2, fPoint p3)
{
return (p1.x - p3.x) * (p2.y - p3.y) - (p2.x - p3.x) * (p1.y - p3.y);
}
bool PointInTriangle (fPoint pt, fPoint v1, fPoint v2, fPoint v3)
{
float d1, d2, d3;
bool has_neg, has_pos;
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How to get year/month/day from a date object?
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16 Answers
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Are arrays in PHP copied as value or as reference to new variables, and when passed to functions?
1) When an array is passed as an argument to a method or function, is it passed by reference, or by value?
8 Answers
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Which one will execute faster, if (flag==0) or if (0==flag)?
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16 Answers
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How to check which version of v8 is installed with my NodeJS?
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12 Answers
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C# Equivalent of SQL Server DataTypes
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1132
This is for SQL Server 2005. There are updated versions of the table for SQL Server 2008, SQL...
Ordering by specific field value first
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148
There's also the MySQL FIELD function.
If you want complete sorting for all possible values:
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How do you add a Dictionary of items into another Dictionary
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172
You can define += operator for Dictionary, e.g.,
func += <K, V> (left: inout [K:V], rig...
Adding a legend to PyPlot in Matplotlib in the simplest manner possible
...import numpy as np
import matplotlib.pyplot as plt
x = np.linspace(0, 20, 1000)
y1 = np.sin(x)
y2 = np.cos(x)
plt.plot(x, y1, "-b", label="sine")
plt.plot(x, y2, "-r", label="cosine")
plt.legend(loc="upper left")
plt.ylim(-1.5, 2.0)
plt.show()
Slightly modified from this tutorial: http://jakevd...