Example usage for org.lwjgl.opengl GL11 glVertex2f

Introduction

In this page you can find the example usage for org.lwjgl.opengl GL11 glVertex2f.

Prototype

public static native void glVertex2f(@NativeType("GLfloat") float x, @NativeType("GLfloat") float y);

Source Link

Document

Specifies a single vertex between #glBegin Begin and #glEnd End by giving its coordinates in two dimensions.

Usage

From source file:rtype.Prototyp.java

License:Open Source License

private void applyDistorsions() {

    if (player1 == null)
        return;/*w w w .j av  a 2 s . com*/

    float chargeP = player1.power / PlayerShip.MAX_POWER;

    float R_WIDTH = 350 * chargeP;
    float R_HEIGHT = 200 * chargeP;
    float MIDDLE_X_ON_SCREEN = R_WIDTH / 2 * chargeP;

    float R_POSITION_X = player1.position.x + 25;
    float R_POSITION_Y = player1.position.y - R_HEIGHT / 2;

    float TEXT_OUT_X_LOW = (R_POSITION_X + (SCREEN_WIDTH / 2f)) / 1024f;
    float TEXT_OUT_X_HIGH = (R_POSITION_X + R_WIDTH + (SCREEN_WIDTH / 2f)) / 1024;
    float TEXT_OUT_Y_LOW = (R_POSITION_Y + (SCREEN_HEIGHT / 2f)) / 1024;
    float TEXT_OUT_Y_HIGH = (R_POSITION_Y + R_HEIGHT + (SCREEN_HEIGHT / 2f)) / 1024;

    float TEXT_IN_X_LOW = (R_POSITION_X + R_WIDTH / 2 + (SCREEN_WIDTH / 2f)) / 1024f;
    float TEXT_IN_X_HIGH = (R_POSITION_X + R_WIDTH / 2 + 1 + (SCREEN_WIDTH / 2f)) / 1024;
    float TEXT_IN_Y_LOW = (R_POSITION_Y + R_HEIGHT / 2 + (SCREEN_HEIGHT / 2f)) / 1024f;
    float TEXT_IN_Y_HIGH = (R_POSITION_Y + R_HEIGHT / 2 + 1 + (SCREEN_HEIGHT / 2f)) / 1024;

    float SCR_OUT_X_LOW = R_POSITION_X;
    float SCR_OUT_X_HIGH = R_POSITION_X + R_WIDTH;
    float SCR_OUT_Y_LOW = R_POSITION_Y;
    float SCR_OUT_Y_HIGH = R_POSITION_Y + R_HEIGHT;

    float SCR_IN_X_LOW = R_POSITION_X + MIDDLE_X_ON_SCREEN;
    float SCR_IN_X_HIGH = R_POSITION_X + MIDDLE_X_ON_SCREEN + 1;
    float SCR_IN_Y_LOW = R_POSITION_Y + R_HEIGHT / 2;
    float SCR_IN_Y_HIGH = R_POSITION_Y + R_HEIGHT / 2 + 1;

    GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
    GL11.glColor4f(1, 1, 1, 0.75f);
    GL11.glBegin(GL11.GL_QUADS);
    {
        GL11.glTexCoord2f(TEXT_IN_X_HIGH, TEXT_IN_Y_HIGH);
        GL11.glVertex2f(SCR_IN_X_HIGH, SCR_IN_Y_HIGH); // Lower right

        GL11.glTexCoord2f(TEXT_OUT_X_HIGH, TEXT_OUT_Y_HIGH);
        GL11.glVertex2f(SCR_OUT_X_HIGH, SCR_OUT_Y_HIGH); //Lower left 

        GL11.glTexCoord2f(TEXT_OUT_X_HIGH, TEXT_OUT_Y_LOW);
        GL11.glVertex2f(SCR_OUT_X_HIGH, SCR_OUT_Y_LOW); //upper left

        GL11.glTexCoord2f(TEXT_IN_X_HIGH, TEXT_IN_Y_LOW);
        GL11.glVertex2f(SCR_IN_X_HIGH, SCR_IN_Y_LOW); // //upper right
    }
    GL11.glEnd();

    GL11.glBegin(GL11.GL_QUADS);
    {
        GL11.glTexCoord2f(TEXT_IN_X_HIGH, TEXT_IN_Y_LOW);
        GL11.glVertex2f(SCR_IN_X_HIGH, SCR_IN_Y_LOW); // Lower right

        GL11.glTexCoord2f(TEXT_OUT_X_HIGH, TEXT_OUT_Y_LOW);
        GL11.glVertex2f(SCR_OUT_X_HIGH, SCR_OUT_Y_LOW); //Lower left 

        GL11.glTexCoord2f(TEXT_OUT_X_LOW, TEXT_OUT_Y_LOW);
        GL11.glVertex2f(SCR_OUT_X_LOW, SCR_OUT_Y_LOW); //upper left

        GL11.glTexCoord2f(TEXT_IN_X_LOW, TEXT_IN_Y_LOW);
        GL11.glVertex2f(SCR_IN_X_LOW, SCR_IN_Y_LOW); // //upper right
    }
    GL11.glEnd();

    GL11.glBegin(GL11.GL_QUADS);
    {
        GL11.glTexCoord2f(TEXT_IN_X_LOW, TEXT_IN_Y_LOW);
        GL11.glVertex2f(SCR_IN_X_LOW, SCR_IN_Y_LOW); // Lower right

        GL11.glTexCoord2f(TEXT_OUT_X_LOW, TEXT_OUT_Y_HIGH);
        GL11.glVertex2f(SCR_OUT_X_LOW, SCR_OUT_Y_HIGH); //Lower left 

        GL11.glTexCoord2f(TEXT_OUT_X_HIGH, TEXT_OUT_Y_HIGH);
        GL11.glVertex2f(SCR_OUT_X_HIGH, SCR_OUT_Y_HIGH); //upper left

        GL11.glTexCoord2f(TEXT_IN_X_HIGH, TEXT_IN_Y_HIGH);
        GL11.glVertex2f(SCR_IN_X_HIGH, SCR_IN_Y_HIGH); // //upper right
    }
    GL11.glEnd();

    GL11.glBegin(GL11.GL_QUADS);
    {
        GL11.glTexCoord2f(TEXT_IN_X_LOW, TEXT_IN_Y_LOW);
        GL11.glVertex2f(SCR_IN_X_LOW, SCR_IN_Y_LOW); // Lower right

        GL11.glTexCoord2f(TEXT_OUT_X_LOW, TEXT_OUT_Y_LOW);
        GL11.glVertex2f(SCR_OUT_X_LOW, SCR_OUT_Y_LOW); //Lower left 

        GL11.glTexCoord2f(TEXT_OUT_X_LOW, TEXT_OUT_Y_HIGH);
        GL11.glVertex2f(SCR_OUT_X_LOW, SCR_OUT_Y_HIGH); //upper left

        GL11.glTexCoord2f(TEXT_IN_X_LOW, TEXT_IN_Y_HIGH);
        GL11.glVertex2f(SCR_IN_X_LOW, SCR_IN_Y_HIGH); // //upper right
    }
    GL11.glEnd();
    //GL11.glBlendFunc(GL11.GL_SRC_ALPHA,GL11.GL_ONE);
    GL11.glColor4f(1, 1, 1, 1);
}

---

From source file:rtype.Prototyp.java

License:Open Source License

public void fadeScreen(boolean draw_fb) // draw_fb is a quick and dirty fix, fb should be in a specificl layer "postFadeEffect" or something
{

    if (fadeAlpha > 0.1) {

        GL11.glLoadIdentity();/*from w w  w.ja  v  a  2 s. co  m*/
        GL11.glTranslatef(0, 0, Prototyp.DEFAULT_Z);
        GL11.glColor4f(0, 0, 0, fadeAlpha / 1.2f);
        GL11.glDisable(GL11.GL_TEXTURE_2D);
        //GL11.glColor4f(0.5f,0.5f,0.5f,0.5f);
        GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
        GL11.glBegin(GL11.GL_QUADS);
        {
            GL11.glVertex2f(Prototyp.SCREEN_WIDTH / 2, -Prototyp.SCREEN_HEIGHT / 2);
            GL11.glVertex2f(-Prototyp.SCREEN_WIDTH / 2, -Prototyp.SCREEN_HEIGHT / 2);
            GL11.glVertex2f(-Prototyp.SCREEN_WIDTH / 2, Prototyp.SCREEN_HEIGHT / 2);
            GL11.glVertex2f(Prototyp.SCREEN_WIDTH / 2, Prototyp.SCREEN_HEIGHT / 2);
        }
        GL11.glEnd();
        GL11.glColor4f(1, 1, 1, 1);
        GL11.glEnable(GL11.GL_TEXTURE_2D);
        GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE);
    }

    if (player1 != null && player1.orb != null && player1.orb.fb != null && player1.orb.fb.displayAnimation
            && draw_fb) {
        player1.orb.fb.updateTick();
        player1.orb.fb.draw(fadeAlpha * 2);
    }
}

---

From source file:rtype.Prototyp.java

License:Open Source License

private void drawPowerBar() {
    GL11.glLoadIdentity();//  ww w .j  a  v a 2s  . c om
    GL11.glTranslatef(0, 0, Prototyp.DEFAULT_Z);
    GL11.glColor4f(0, 0, 1, 1f);
    GL11.glDisable(GL11.GL_TEXTURE_2D);
    GL11.glBegin(GL11.GL_QUADS);
    GL11.glVertex2f(0, -0);
    GL11.glVertex2f(0, -0 - 100);
    GL11.glVertex2f(0 + player1.power * 10 / 4, 0);
    GL11.glVertex2f(0 + player1.power * 10 / 4, 0 - 100);
    GL11.glEnd();
    GL11.glEnable(GL11.GL_TEXTURE_2D);
    GL11.glColor4f(1, 1, 1, 1f);
}

---

From source file:rtype.Prototyp.java

License:Open Source License

private void renderScanLines() {
    GL11.glLoadIdentity();/*from  ww w . j  a  va 2  s  .  co  m*/
    GL11.glTranslatef(0, 0, Prototyp.DEFAULT_Z);
    GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE);
    GL11.glBindTexture(GL11.GL_TEXTURE_2D, textureLoader.getTexture(IEntity.SCANLINE).getTextureId());
    GL11.glColor4f(1, 1, 1, 1);

    GL11.glBegin(GL11.GL_QUADS);
    GL11.glTexCoord2f(20, 0); //Upper right
    GL11.glVertex2f(SCREEN_WIDTH / 4, -SCREEN_HEIGHT / 4);

    GL11.glTexCoord2f(0, 0); //Upper left         
    GL11.glVertex2f(-SCREEN_WIDTH / 4, -SCREEN_HEIGHT / 4);

    GL11.glTexCoord2f(0, 20); //Lower left
    GL11.glVertex2f(-SCREEN_WIDTH / 4, SCREEN_HEIGHT / 4);

    GL11.glTexCoord2f(20, 20); // Lower right
    GL11.glVertex2f(SCREEN_WIDTH / 4, SCREEN_HEIGHT / 4);

    GL11.glEnd();
}

---

From source file:shadowmage.ancient_structures.client.render.RenderTools.java

License:Open Source License

public static void renderTexturedQuad(float x1, float y1, float x2, float y2, float u1, float v1, float u2,
        float v2) {
    GL11.glBegin(GL11.GL_QUADS);//from  w ww  .ja  v a 2 s .  c  o m
    GL11.glTexCoord2f(u1, v1);
    GL11.glVertex2f(x1, y1);
    GL11.glTexCoord2f(u1, v2);
    GL11.glVertex2f(x1, y2);
    GL11.glTexCoord2f(u2, v2);
    GL11.glVertex2f(x2, y2);
    GL11.glTexCoord2f(u2, v1);
    GL11.glVertex2f(x2, y1);
    GL11.glEnd();
}

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From source file:spaceshooter.entities.bullets.EntityPlayerBullet.java

License:Creative Commons License

@Override
public void draw() {
    GL11.glPushMatrix();/*www .j a v  a  2 s .com*/

    GL11.glColor3d(0, 100, 100);
    GL11.glBegin(GL11.GL_QUADS);
    GL11.glVertex2f(x, y);
    GL11.glVertex2f(x + width, y);
    GL11.glVertex2f(x + width, y + height);
    GL11.glVertex2f(x, y + height);
    GL11.glEnd();

    GL11.glPopMatrix();
}

---

From source file:spaceshooter.entities.EntityEnemy.java

License:Creative Commons License

@Override
public void draw() {
    GL11.glPushMatrix();/*from   w  w  w .  j av a  2  s  . co m*/

    GL11.glColor3d(100, 0, 0);
    GL11.glBegin(GL11.GL_QUADS);
    GL11.glVertex2f(x, y);
    GL11.glVertex2f(x + width, y);
    GL11.glVertex2f(x + width, y + height);
    GL11.glVertex2f(x, y + height);
    GL11.glEnd();

    GL11.glPopMatrix();
}

---

From source file:spaceshooter.entities.EntityPlayer.java

License:Creative Commons License

@Override
public void draw() {
    GL11.glColor3d(0, 0, 100);/* w ww . ja va  2s .  co m*/

    GL11.glBegin(GL11.GL_QUADS);
    GL11.glVertex2f(x, y);
    GL11.glVertex2f(x + width, y);
    GL11.glVertex2f(x + width, y + height);
    GL11.glVertex2f(x, y + height);
    GL11.glEnd();
}

---

From source file:src.user.Minimap.java

License:Open Source License

private void renderTex(float fadeVal) {
    ///* www  .  j  av  a 2s .  c o m*/
    //You draw a diamond-shaped area around the four points-
    final float w = xdim(), h = ydim(), x = xpos(), y = ypos();
    GL11.glBegin(GL11.GL_QUADS);

    if (fadeVal == -1)
        GL11.glTexCoord2f(0, 0);
    else
        GL11.glTexCoord3f(0, 0, fadeVal);
    GL11.glVertex2f(x, y + (h / 2));

    if (fadeVal == -1)
        GL11.glTexCoord2f(0, 1);
    else
        GL11.glTexCoord3f(0, 1, fadeVal);
    GL11.glVertex2f(x + (w / 2), y + h);

    if (fadeVal == -1)
        GL11.glTexCoord2f(1, 1);
    else
        GL11.glTexCoord3f(1, 1, fadeVal);
    GL11.glVertex2f(x + w, y + (h / 2));

    if (fadeVal == -1)
        GL11.glTexCoord2f(1, 0);
    else
        GL11.glTexCoord3f(1, 0, fadeVal);
    GL11.glVertex2f(x + (w / 2), y);

    GL11.glEnd();
}

---

From source file:tileengine.MenuItem.java

public void drawBox() {
    for (int x = 0; x < 3; x++) {
        int selectedTexture = 197, selectedColumn = 0, selectedRow = 0;
        //Selvitetn milloin piirretn textboxin reunoja  
        if (x == 0) {
            selectedTexture = 196;//w ww.ja v a  2  s  . c  om
        }
        if (x == 2) {
            selectedTexture = 198;
        }

        if (selected) {
            selectedTexture += 3;
        }

        //pieni hksi for loopin avulla valitun texturen selvittmiseksi
        for (selectedColumn = selectedTexture; selectedColumn >= GameHandler.spriteSheetX
                / GameHandler.spriteSheetScale; selectedColumn -= 32) {
            selectedRow++;
        }

        float textureXOffSet = ((float) 1 / GameHandler.spriteSheetScale) * selectedColumn;
        float textureYOffSet = ((float) 1 / GameHandler.spriteSheetScale) * selectedRow;

        GL11.glTexCoord2f(textureXOffSet + (float) 1 / GameHandler.spriteSheetScale,
                textureYOffSet + (float) 1 / GameHandler.spriteSheetScale);
        GL11.glVertex2f(posX + 64 + x * 64, posY);

        GL11.glTexCoord2f(textureXOffSet, textureYOffSet + (float) 1 / GameHandler.spriteSheetScale);
        GL11.glVertex2f(posX + x * 64, posY);

        GL11.glTexCoord2f(textureXOffSet, textureYOffSet);
        GL11.glVertex2f(posX + x * 64, posY + 64);

        GL11.glTexCoord2f(textureXOffSet + (float) 1 / GameHandler.spriteSheetScale, textureYOffSet);
        GL11.glVertex2f(posX + 64 + x * 64, posY + 64);

    }

}

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