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Draw Triangles with help of Polygon in java


Draw Triangles with help of Polygon in java

By : user2952283
Date : November 19 2020, 12:41 AM
I wish this helpful for you I want to draw 3 triangles like this I am trying but not getting what i want. any one can help , Here is the Code
code :
        triangle1 = new Polygon();
        triangle1.addPoint(400, 550);        //left   
        triangle1.addPoint(600, 550); //right
        triangle1.addPoint(500, 350); //top
        triangle2 = new Polygon();
        triangle2.addPoint(600, 550);  // left
        triangle2.addPoint(700, 350); //top
        triangle2.addPoint(800, 550);  //right
        triangle3 = new Polygon();
        triangle3.addPoint(500, 350); //left
        triangle3.addPoint(700, 350); //right
        triangle3.addPoint(600, 150); // 


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How to draw a image as a texture of a polygon and how to rotate the polygon in all directions touching the polygon on th

How to draw a image as a texture of a polygon and how to rotate the polygon in all directions touching the polygon on th


By : user3601046
Date : March 29 2020, 07:55 AM
hop of those help? As you are using opengl es, there is a function called glrotate which is used to rotate the object. here is the link
http://www.khronos.org/opengles/sdk/1.1/docs/man/glRotate.xml
JAVA draw regular polygon

JAVA draw regular polygon


By : Tarek Zmerli
Date : March 29 2020, 07:55 AM
I wish did fix the issue. I am looking for an algorithm to draw regular polygon like triangle, quadrangle, pentagon, hexagon etc. , Use sin and cos:
code :
double theta = 2 * Math.PI / sides;
for (int i = 0; i < sides; ++i) {
    double x = Math.cos(theta * i);
    double y = Math.sin(theta * i);
    // etc...
}
Filling in Triangles in Dr.Java using standard draw

Filling in Triangles in Dr.Java using standard draw


By : Hendriktio Freizello
Date : March 29 2020, 07:55 AM
I wish this helpful for you Found stdDraw online. This should do what you need. The key to this is to understand that the order of the coords matter. For example, xc[1] and y[1] compose one point, and so on.
code :
//club
double[] xc = {-.7,-.75,-.65};
double[] yc = {.7,.65,.65};
StdDraw.filledPolygon(xc,yc);

//spade
double[] xs1 = {-.7,-.75,-.65};
double[] ys1 = {-.8,-.85,-.85};
StdDraw.filledPolygon(xs1,ys1);
How to draw triangles that connect with a square in java

How to draw triangles that connect with a square in java


By : Piotr Szymczyk
Date : March 29 2020, 07:55 AM
seems to work fine you must use the g.drawPolygon(int[] xPoints, int[] yPoints, int nPoints) method to make triangles with swing.
code :
    int xPoly[] = {60, 140, 100};
    int yPoly[] = {60, 60, 30};

    poly = new Polygon(xPoly, yPoly, xPoly.length);

    g.drawPolygon(poly);
Is it possible to draw lines and triangles in a single draw call in OpenGL?

Is it possible to draw lines and triangles in a single draw call in OpenGL?


By : Dravon Rush
Date : March 29 2020, 07:55 AM
this will help
Is it possible to draw both lines and triangles in single draw call in a case like this?
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