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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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Which one will execute faster, if (flag==0) or if (0==flag)?
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16 Answers
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Square retrofit server mock for testing
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11 Answers
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Effective way to find any file's Encoding
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158
The StreamReader.CurrentEncoding property rarely returns the correct text file encoding for me...
How to convert milliseconds into human readable form?
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19 Answers
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How do I update pip itself from inside my virtual environment?
...do I update pip itself? According to pip --version , I currently have pip 1.1 installed in my virtualenv and I want to update to the latest version.
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Can I set background image and opacity in the same property?
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14 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...
What's the difference between equal?, eql?, ===, and ==?
...ngs which have interesting === implementations:
Range
Regex
Proc (in Ruby 1.9)
So you can do things like:
case some_object
when /a regex/
# The regex matches
when 2..4
# some_object is in the range 2..4
when lambda {|x| some_crazy_custom_predicate }
# the lambda returned true
end
See my ans...