mirror of
https://github.com/processing/processing4.git
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46 lines
867 B
Plaintext
46 lines
867 B
Plaintext
/**
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* Logical Operators.
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*
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* The logical operators for AND (&&) and OR (||) are used to
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* combine simple relational statements into more complex expressions.
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* The NOT (!) operator is used to negate a boolean statement.
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*/
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size(200, 200);
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background(126);
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boolean op = false;
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for(int i=5; i<=195; i+=5) {
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// Logical AND
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stroke(0);
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if((i > 35) && (i < 100)) {
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line(5, i, 95, i);
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op = false;
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}
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// Logical OR
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stroke(76);
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if((i <= 35) || (i >= 100)) {
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line(105, i, 195, i);
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op = true;
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}
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// Testing if a boolean value is "true"
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// The expression "if(op)" is equivalent to "if(op == true)"
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if(op) {
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stroke(0);
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point(width/2, i);
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}
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// Testing if a boolean value is "false"
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// The expression "if(!op)" is equivalent to "if(op == false)"
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if(!op) {
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stroke(255);
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point(width/4, i);
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}
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}
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