Example usage for org.lwjgl.opengl GL11 glVertex2d

Introduction

In this page you can find the example usage for org.lwjgl.opengl GL11 glVertex2d.

Prototype

public static native void glVertex2d(@NativeType("GLdouble") double x, @NativeType("GLdouble") double y);

Source Link

Document

Double version of #glVertex2f Vertex2f .

Usage

From source file:com.kodehawa.gui.api.render.ModGuiUtils.java

License:Open Source License

/**
 * Diagonal line?/*www.  j a  v a2s  .c  om*/
 * 
 * @param x
 * @param x2
 * @param y
 * @param l1
 * @param col1
 */
public static void drawDiagonalLine(int x, int x2, int y, float l1, int col1) {
    float f = ((col1 >> 24) & 0xFF) / 255F;
    float f1 = ((col1 >> 16) & 0xFF) / 255F;
    float f2 = ((col1 >> 8) & 0xFF) / 255F;
    float f3 = (col1 & 0xFF) / 255F;

    GL11.glEnable(GL11.GL_BLEND);
    GL11.glDisable(GL11.GL_TEXTURE_2D);
    GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
    GL11.glEnable(GL11.GL_LINE_SMOOTH);

    GL11.glPushMatrix();
    GL11.glColor4f(f1, f2, f3, f);
    GL11.glLineWidth(l1);
    GL11.glBegin(GL11.GL_LINES);
    GL11.glVertex2d(x, y);
    GL11.glVertex2d(y, x2);
    GL11.glEnd();
    GL11.glPopMatrix();

    GL11.glEnable(GL11.GL_TEXTURE_2D);
    GL11.glDisable(GL11.GL_BLEND);
    GL11.glDisable(GL11.GL_LINE_SMOOTH);
}

---

From source file:com.kodehawa.gui.api.render.ModGuiUtils.java

License:Open Source License

/**
 * Border of a circle/*  w  w w . ja v  a 2 s  .  co m*/
 * 
 * @param x
 * @param y
 * @param r
 * @param c
 */
public static void drawCircle(int x, int y, double r, int c) {
    float f = ((c >> 24) & 0xff) / 255F;
    float f1 = ((c >> 16) & 0xff) / 255F;
    float f2 = ((c >> 8) & 0xff) / 255F;
    float f3 = (c & 0xff) / 255F;
    GL11.glEnable(3042 /* GL_BLEND */);
    GL11.glDisable(3553 /* GL_TEXTURE_2D */);
    GL11.glEnable(2848 /* GL_LINE_SMOOTH */);
    GL11.glBlendFunc(770, 771);
    GL11.glColor4f(f1, f2, f3, f);
    GL11.glBegin(2 /* GL_LINE_LOOP */);
    for (int i = 0; i <= 360; i++) {
        double x2 = Math.sin(((i * 3.141526D) / 180)) * r;
        double y2 = Math.cos(((i * 3.141526D) / 180)) * r;
        GL11.glVertex2d(x + x2, y + y2);
    }
    GL11.glEnd();
    GL11.glDisable(2848 /* GL_LINE_SMOOTH */);
    GL11.glEnable(3553 /* GL_TEXTURE_2D */);
    GL11.glDisable(3042 /* GL_BLEND */);
}

---

From source file:com.kodehawa.gui.api.render.ModGuiUtils.java

License:Open Source License

/**
 * Circle/* w  w  w  . ja  va 2s. co m*/
 * 
 * @param x
 * @param y
 * @param r
 * @param c
 */
public static void drawFilledCircle(int x, int y, double r, int c) {
    float f = ((c >> 24) & 0xff) / 255F;
    float f1 = ((c >> 16) & 0xff) / 255F;
    float f2 = ((c >> 8) & 0xff) / 255F;
    float f3 = (c & 0xff) / 255F;
    GL11.glEnable(3042 /* GL_BLEND */);
    GL11.glDisable(3553 /* GL_TEXTURE_2D */);
    GL11.glEnable(2848 /* GL_LINE_SMOOTH */);
    GL11.glBlendFunc(770, 771);
    GL11.glColor4f(f1, f2, f3, f);
    GL11.glBegin(6 /* GL_TRIANGLE_FAN */);
    for (int i = 0; i <= 360; i++) {
        double x2 = Math.sin(((i * 3.141526D) / 180)) * r;
        double y2 = Math.cos(((i * 3.141526D) / 180)) * r;
        GL11.glVertex2d(x + x2, y + y2);
    }
    GL11.glEnd();
    GL11.glDisable(2848 /* GL_LINE_SMOOTH */);
    GL11.glEnable(3553 /* GL_TEXTURE_2D */);
    GL11.glDisable(3042 /* GL_BLEND */);
}

---

From source file:com.kodehawa.gui.api.render.ModGuiUtils.java

License:Open Source License

/**
 * Triangle/*from  w  w w.jav a  2 s.c  om*/
 * 
 * @param cx
 * @param cy
 * @param c
 */
public static void drawTri(int cx, int cy, int c) {
    GL11.glRotatef(180, 0F, 0F, 1.0F);
    float f = ((c >> 24) & 0xff) / 255F;
    float f1 = ((c >> 16) & 0xff) / 255F;
    float f2 = ((c >> 8) & 0xff) / 255F;
    float f3 = (c & 0xff) / 255F;
    GL11.glColor4f(f1, f2, f3, f);
    GL11.glEnable(3042);
    GL11.glDisable(3553);
    GL11.glEnable(GL11.GL_LINE_SMOOTH);
    GL11.glBlendFunc(770, 771);
    GL11.glBegin(GL11.GL_TRIANGLES);
    GL11.glRotatef(180, 0F, 0F, 1.0F);
    GL11.glVertex2d(cx, cy + 2);
    GL11.glVertex2d(cx + 2, cy - 2);
    GL11.glVertex2d(cx - 2, cy - 2);

    GL11.glEnd();
    GL11.glDisable(GL11.GL_LINE_SMOOTH);
    GL11.glEnable(3553);
    GL11.glDisable(3042);
    GL11.glRotatef(-180, 0F, 0F, 1.0F);
}

---

From source file:com.kodehawa.gui.api.render.ModGuiUtils.java

License:Open Source License

/**
 * Triangle. Used for radars/*from  w  w  w  .ja v  a  2 s.co  m*/
 * 
 * @param e
 * @param cx
 * @param cy
 * @param c
 */
public static void drawTriangle(Entity e, double cx, double cy, int c) {
    GL11.glPushMatrix();
    GL11.glScaled(0.5, 0.5, 0.5);
    GL11.glTranslated(cx, cy, 0);
    if (e instanceof EntityClientPlayerMP) {
        GL11.glRotatef(e.rotationYaw, 0F, 0F, 1.0F);
    } else {
        GL11.glRotatef(-e.rotationYaw, 0F, 0F, 1.0F);
    }
    float f = ((c >> 24) & 0xff) / 255F;
    float f1 = ((c >> 16) & 0xff) / 255F;
    float f2 = ((c >> 8) & 0xff) / 255F;
    float f3 = (c & 0xff) / 255F;
    GL11.glColor4f(f1, f2, f3, f);
    GL11.glEnable(3042);
    GL11.glDisable(3553);
    GL11.glEnable(GL11.GL_LINE_SMOOTH);
    GL11.glBlendFunc(770, 771);
    GL11.glBegin(GL11.GL_TRIANGLES);

    GL11.glVertex2d(0, 0 + 6);
    GL11.glVertex2d(0 + 3, 0 - 2);
    GL11.glVertex2d(0 - 3, 0 - 2);

    GL11.glEnd();
    GL11.glDisable(GL11.GL_LINE_SMOOTH);
    GL11.glEnable(3553);
    GL11.glDisable(3042);
    GL11.glRotatef(e.rotationYaw, 0F, 0F, 1.0F);

    GL11.glPopMatrix();
}

---

From source file:com.kodehawa.gui.api.render.ModGuiUtils.java

License:Open Source License

/**
 * Half Circle/*from   w w  w  . j  av  a  2  s  .c o  m*/
 * 
 * Modes: 0 Left to right, bottom to top 1 Top to bottom, left to right 2
 * Right to left, top to bottom 3 Bottom to top, right to left
 * 
 * @param x
 * @param y
 * @param r
 * @param c
 */
public static void drawFilledHalfCircle(int x, int y, double r, int c, int mode) {
    float f = ((c >> 24) & 0xff) / 255F;
    float f1 = ((c >> 16) & 0xff) / 255F;
    float f2 = ((c >> 8) & 0xff) / 255F;
    float f3 = (c & 0xff) / 255F;
    GL11.glDisable(3553 /* GL_TEXTURE_2D */);
    GL11.glEnable(GL11.GL_BLEND);
    GL11.glBlendFunc(770, 771);

    GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);

    GL11.glEnable(GL11.GL_LINE_SMOOTH);
    GL11.glEnable(GL11.GL_POLYGON_SMOOTH);
    GL11.glEnable(GL11.GL_POINT_SMOOTH);
    GL11.glHint(GL11.GL_LINE_SMOOTH_HINT, GL11.GL_NICEST);
    GL11.glHint(GL11.GL_POLYGON_SMOOTH_HINT, GL11.GL_NICEST);
    GL11.glHint(GL11.GL_POLYGON_SMOOTH_HINT, GL11.GL_NICEST);

    GL11.glColor4f(f1, f2, f3, f);
    GL11.glBegin(6 /* GL_TRIANGLE_FAN */);

    int startang = 0;
    int endang = 0;

    if (mode == 0) {
        startang = 90;
        endang = 270;
    }
    if (mode == 1) {
        startang = 360;
        endang = 540;
    }
    if (mode == 2) {
        startang = 270;
        endang = 450;
    }
    if (mode == 3) {
        startang = 180;
        endang = 360;
    }

    for (int i = startang; i <= endang; i++) {
        double x2 = Math.sin(((i * 3.141526D) / 180)) * r;
        double y2 = Math.cos(((i * 3.141526D) / 180)) * r;
        GL11.glVertex2d(x + x2, y + y2);
    }
    GL11.glEnd();
    GL11.glDisable(GL11.GL_POLYGON_SMOOTH);
    GL11.glDisable(GL11.GL_POINT_SMOOTH);
    GL11.glDisable(2848 /* GL_LINE_SMOOTH */);
    GL11.glEnable(3553 /* GL_TEXTURE_2D */);
    GL11.glDisable(3042 /* GL_BLEND */);
}

---

From source file:com.kodehawa.gui.api.render.ModGuiUtils.java

License:Open Source License

public static void drawGradientRect(double x, double y, double x2, double y2, int col1, int col2) {
    float f = ((col1 >> 24) & 0xFF) / 255F;
    float f1 = ((col1 >> 16) & 0xFF) / 255F;
    float f2 = ((col1 >> 8) & 0xFF) / 255F;
    float f3 = (col1 & 0xFF) / 255F;

    float f4 = ((col2 >> 24) & 0xFF) / 255F;
    float f5 = ((col2 >> 16) & 0xFF) / 255F;
    float f6 = ((col2 >> 8) & 0xFF) / 255F;
    float f7 = (col2 & 0xFF) / 255F;

    GL11.glEnable(GL11.GL_BLEND);/*from  w w w.  j  ava 2 s  .  co m*/
    GL11.glDisable(GL11.GL_TEXTURE_2D);
    GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
    GL11.glEnable(GL11.GL_LINE_SMOOTH);
    GL11.glShadeModel(GL11.GL_SMOOTH);

    GL11.glPushMatrix();
    GL11.glBegin(GL11.GL_QUADS);
    GL11.glColor4f(f1, f2, f3, f);
    GL11.glVertex2d(x2, y);
    GL11.glVertex2d(x, y);

    GL11.glColor4f(f5, f6, f7, f4);
    GL11.glVertex2d(x, y2);
    GL11.glVertex2d(x2, y2);
    GL11.glEnd();
    GL11.glPopMatrix();

    GL11.glEnable(GL11.GL_TEXTURE_2D);
    GL11.glDisable(GL11.GL_BLEND);
    GL11.glDisable(GL11.GL_LINE_SMOOTH);
    GL11.glShadeModel(GL11.GL_FLAT);
}

---

From source file:com.kodehawa.gui.api.render.ModGuiUtils.java

License:Open Source License

public static void drawGBRect(double x, double y, double x2, double y2, float l1, int col1, int col2,
        int col3) {
    float f = ((col1 >> 24) & 0xFF) / 255F;
    float f1 = ((col1 >> 16) & 0xFF) / 255F;
    float f2 = ((col1 >> 8) & 0xFF) / 255F;
    float f3 = (col1 & 0xFF) / 255F;

    GL11.glDisable(GL11.GL_TEXTURE_2D);/*w  ww  .j av a 2s . c  om*/
    GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
    GL11.glEnable(GL11.GL_LINE_SMOOTH);
    GL11.glDisable(GL11.GL_BLEND);

    GL11.glPushMatrix();
    GL11.glColor4f(f1, f2, f3, f);
    GL11.glLineWidth(1F);
    GL11.glBegin(GL11.GL_LINES);
    GL11.glVertex2d(x, y);
    GL11.glVertex2d(x, y2);
    GL11.glVertex2d(x2, y2);
    GL11.glVertex2d(x2, y);
    GL11.glVertex2d(x, y);
    GL11.glVertex2d(x2, y);
    GL11.glVertex2d(x, y2);
    GL11.glVertex2d(x2, y2);
    GL11.glEnd();
    GL11.glPopMatrix();

    drawGradientRect(x, y, x2, y2, col2, col3);

    GL11.glEnable(GL11.GL_BLEND);
    GL11.glEnable(GL11.GL_TEXTURE_2D);
    GL11.glDisable(GL11.GL_LINE_SMOOTH);
}

---

From source file:com.lukke100.sbdi.Draw.java

License:Open Source License

static public void drawCircle(double xCoord, double yCoord, double radius, int segments) {
    GL11.glColor3d(red, green, blue);//from  w  w w.j ava2 s .c  o  m
    GL11.glBegin(GL11.GL_TRIANGLE_FAN);
    // GL11.glVertex2d(xCoord, yCoord);
    double deltaAngle = (2 * Math.PI) / segments;
    for (double angle = 0; angle < Math.PI * 2; angle += deltaAngle) {
        GL11.glVertex2d(xCoord + Math.cos(angle) * radius, yCoord + Math.sin(angle) * radius);
    }
    GL11.glEnd();
}

---

From source file:com.lukke100.sbdi.Draw.java

License:Open Source License

static public void drawHollowCircle(double xCoord, double yCoord, double radius, int segments) {
    GL11.glColor3d(red, green, blue);/*from   ww w  .j av  a2s. co m*/
    double theta = (2 * Math.PI) / segments;
    double c = Math.cos(theta);
    double s = Math.sin(theta);
    double t;

    double x = radius; // start at angle = 0
    double y = 0;

    GL11.glBegin(GL11.GL_LINE_LOOP);
    for (int ii = 0; ii < segments; ii++) {
        GL11.glVertex2d(x + xCoord, y + yCoord); // output vertex

        // apply the rotation matrix
        t = x;
        x = c * x - s * y;
        y = s * t + c * y;
    }
    GL11.glEnd();
}

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