Example usage for org.lwjgl.opengl GL11 glBegin

Introduction

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

Prototype

public static native void glBegin(@NativeType("GLenum") int mode);

Source Link

Document

Begins the definition of vertex attributes of a sequence of primitives to be transferred to the GL.

Usage

From source file:org.cogaen.lwjgl.scene.CircleVisual.java

License:Open Source License

@Override
public void render() {
    //TODO use display list
    getColor().apply();/*  ww  w  . ja  va 2s. co  m*/

    GL11.glBegin(this.glMode);
    double r = this.radius * getScale();
    for (int i = 0; i < 360; i += 10) {
        double degInRad = i * DEG2RAD;
        GL11.glVertex2d(Math.cos(degInRad) * r, Math.sin(degInRad) * r);
    }
    GL11.glEnd();
}

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From source file:org.cogaen.lwjgl.scene.PointVisual.java

License:Open Source License

@Override
public void render() {
    getColor().apply();
    GL11.glBegin(GL11.GL_POINTS);
    GL11.glVertex2f(0f, 0f);
    GL11.glEnd();
}

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From source file:org.cogaen.lwjgl.scene.RectangleVisual.java

License:Open Source License

@Override
public void render() {
    getColor().apply();/*w  w  w.  j av  a 2  s .c  o  m*/

    GL11.glBegin(this.glMode);
    GL11.glVertex2d(-this.halfWidth * getScale(), -this.halfHeight * getScale());
    GL11.glVertex2d(this.halfWidth * getScale(), -this.halfHeight * getScale());
    GL11.glVertex2d(this.halfWidth * getScale(), this.halfHeight * getScale());
    GL11.glVertex2d(-this.halfWidth * getScale(), this.halfHeight * getScale());
    GL11.glEnd();
}

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From source file:org.cogaen.lwjgl.scene.SpriteFxVisual.java

License:Open Source License

@Override
public void render() {
    if (this.flipVertical) {
        GL11.glScaled(1, -1, 1);/*from  w w w  . j av a 2  s .co m*/
    }

    if (this.shadow) {
        double dx = this.halfWidth * getScale() * 0.02;
        double dy = this.halfWidth * getScale() * 0.02;
        GL11.glColor4d(getColor().getRed() * 0.1, getColor().getGreen() * 0.1, getColor().getBlue() * 0.1, 0.7);

        GL11.glBegin(GL11.GL_QUADS);
        GL11.glTexCoord2f(0.0f, this.texture.getHeight());
        GL11.glVertex2d(-this.halfWidth * getScale() + dx, -this.halfHeight * getScale() - dy);

        GL11.glTexCoord2f(this.texture.getWidth(), this.texture.getHeight());
        GL11.glVertex2d(this.halfWidth * getScale() + dx, -this.halfHeight * getScale() - dy);

        GL11.glTexCoord2f(this.texture.getWidth(), 0);
        GL11.glVertex2d(this.halfWidth * getScale() + dx, this.halfHeight * getScale() - dy);

        GL11.glTexCoord2f(0.0f, 0.0f);
        GL11.glVertex2d(-this.halfWidth * getScale() + dx, this.halfHeight * getScale() - dy);
    }

    getColor().apply();

    GL11.glBegin(GL11.GL_QUADS);
    GL11.glTexCoord2f(0.0f, this.texture.getHeight());
    GL11.glVertex2d(-this.halfWidth * getScale(), -this.halfHeight * getScale());

    GL11.glTexCoord2f(this.texture.getWidth(), this.texture.getHeight());
    GL11.glVertex2d(this.halfWidth * getScale(), -this.halfHeight * getScale());

    GL11.glTexCoord2f(this.texture.getWidth(), 0);
    GL11.glVertex2d(this.halfWidth * getScale(), this.halfHeight * getScale());

    GL11.glTexCoord2f(0.0f, 0.0f);
    GL11.glVertex2d(-this.halfWidth * getScale(), this.halfHeight * getScale());

    if (this.mirror) {
        GL11.glColor4d(getColor().getRed() * 0.7, getColor().getGreen() * 0.7, getColor().getBlue() * 0.7, 0.7);

        GL11.glTexCoord2f(0.0f, this.texture.getHeight());
        GL11.glVertex2d(-this.halfWidth * getScale(), -this.halfHeight * getScale());

        GL11.glTexCoord2f(this.texture.getWidth(), this.texture.getHeight());
        GL11.glVertex2d(this.halfWidth * getScale(), -this.halfHeight * getScale());

        GL11.glColor4d(getColor().getRed(), getColor().getGreen(), getColor().getBlue(), 0);
        GL11.glTexCoord2f(this.texture.getWidth(), this.texture.getHeight() / 2);
        GL11.glVertex2d(this.halfWidth * getScale(), -this.halfHeight * 2 * getScale());

        GL11.glTexCoord2f(0.0f, this.texture.getHeight() / 2);
        GL11.glVertex2d(-this.halfWidth * getScale(), -this.halfHeight * 2 * getScale());
    }

    GL11.glEnd();
}

---

From source file:org.cogaen.lwjgl.scene.SpriteVisual.java

License:Open Source License

@Override
public void render() {
    getColor().apply();//from  www . ja v  a 2s.com

    if (this.flipVertical) {
        GL11.glScaled(1, -1, 1);
    }

    GL11.glBegin(GL11.GL_QUADS);
    GL11.glTexCoord2f(0.0f, this.texture.getHeight());
    GL11.glVertex2d(-this.halfWidth * getScale(), -this.halfHeight * getScale());

    GL11.glTexCoord2f(this.texture.getWidth(), this.texture.getHeight());
    GL11.glVertex2d(this.halfWidth * getScale(), -this.halfHeight * getScale());

    GL11.glTexCoord2f(this.texture.getWidth(), 0);
    GL11.glVertex2d(this.halfWidth * getScale(), this.halfHeight * getScale());

    GL11.glTexCoord2f(0.0f, 0.0f);
    GL11.glVertex2d(-this.halfWidth * getScale(), this.halfHeight * getScale());
    GL11.glEnd();
}

---

From source file:org.cogaen.lwjgl.scene.TextBlockVisual.java

License:Open Source License

@Override
public void render() {
    GL11.glPushMatrix();/* www  .  j a va  2  s.c  o  m*/
    GL11.glScaled(getScale(), -getScale(), 1);
    getColor().apply();

    org.newdawn.slick.Color utilColor = new org.newdawn.slick.Color((int) (getColor().getRed() * 255),
            (int) (getColor().getGreen() * 255), (int) (getColor().getBlue() * 255),
            (int) (getColor().getAlpha() * 255));

    if (this.timeStamp < this.timer.getTime()) {
        this.timeStamp = this.timer.getTime() + BLINK_TIME;
        this.cursorOn = !this.cursorOn;
    }

    for (int i = 0; i < this.lines.length; ++i) {
        this.ttf.drawString((float) (-this.width / 2),
                (float) (-this.height / 2 + i * ttf.getHeight() * LINE_SPACE), this.lines[i].toString(),
                utilColor);
    }

    if (this.cursorOn && this.showCursor) {
        GL11.glDisable(GL11.GL_TEXTURE_2D);
        GL11.glEnable(GL11.GL_BLEND);

        double offsetX;
        if (this.curX == 0) {
            offsetX = 0;
        } else if (this.curX >= this.lines[this.curY].length()) {
            offsetX = this.ttf.getWidth(this.lines[this.curY].substring(0, this.lines[this.curY].length()));
        } else {
            offsetX = this.ttf.getWidth(this.lines[this.curY].substring(0, this.curX));
        }
        double offsetY = this.curY * this.ttf.getHeight() * LINE_SPACE;

        double x = -this.width / 2 + offsetX;
        double y = -this.height / 2 + offsetY + this.ttf.getHeight() / 2;
        double curHeight = this.ttf.getHeight() / 2 * 0.8;

        GL11.glBegin(GL11.GL_LINES);
        GL11.glVertex2d(x, y + curHeight);
        GL11.glVertex2d(x, y - curHeight);
        GL11.glEnd();
    }
    GL11.glPopMatrix();
}

---

From source file:org.craftmania.blocks.CrossedBlockBrush.java

License:Apache License

@Override
public void create() {
    _callList = GL11.glGenLists(1);/*from ww w.  ja  va  2 s .  c  o m*/

    GL11.glNewList(_callList, GL11.GL_COMPILE);
    GL11.glBegin(GL11.GL_QUADS);

    GL11.glTexCoord2f(_texturePosition.x(), _texturePosition.y());
    GL11.glVertex3f(-0.5f, 0.5f, -0.5f);
    GL11.glTexCoord2f(_texturePosition.x() + _textureSize.x(), _texturePosition.y());
    GL11.glVertex3f(0.5f, 0.5f, 0.5f);
    GL11.glTexCoord2f(_texturePosition.x() + _textureSize.x(), _texturePosition.y() + _textureSize.y());
    GL11.glVertex3f(0.5f, -0.5f, 0.5f);
    GL11.glTexCoord2f(_texturePosition.x(), _texturePosition.y() + _textureSize.y());
    GL11.glVertex3f(-0.5f, -0.5f, -0.5f);

    GL11.glTexCoord2f(_texturePosition.x(), _texturePosition.y());
    GL11.glVertex3f(0.5f, 0.5f, -0.5f);
    GL11.glTexCoord2f(_texturePosition.x() + _textureSize.x(), _texturePosition.y());
    GL11.glVertex3f(-0.5f, 0.5f, 0.5f);
    GL11.glTexCoord2f(_texturePosition.x() + _textureSize.x(), _texturePosition.y() + _textureSize.y());
    GL11.glVertex3f(-0.5f, -0.5f, 0.5f);
    GL11.glTexCoord2f(_texturePosition.x(), _texturePosition.y() + _textureSize.y());
    GL11.glVertex3f(0.5f, -0.5f, -0.5f);
    GL11.glEnd();
    GL11.glEndList();
}

---

From source file:org.craftmania.inventory.CraftingTableInventory.java

License:Apache License

@Override
public void renderInventory() {
    if (_inventoryDrawList == -1) {
        return;/*from   w ww.  j  av a  2s.  c  o  m*/
    }

    Configuration conf = Game.getInstance().getConfiguration();

    GL11.glPushMatrix();
    GL11.glTranslatef(conf.getWidth() / 2.0f, conf.getHeight() / 2.0f, 0.0f);

    _tex.bind();

    GL11.glCallList(_inventoryDrawList);
    GL11.glPopMatrix();

    for (int i = 0; i < _raster.getCellCount(); ++i) {
        GL11.glPushMatrix();
        ReadablePoint r = _raster.getCenterOfCell(i);
        GL11.glTranslatef(r.getX(), r.getY(), 0);
        if (Mouse.getX() < r.getX() + 16 && Mouse.getX() > r.getX() - 16 && Mouse.getY() < r.getY() + 16
                && Mouse.getY() > r.getY() - 16) {
            GL11.glDisable(GL11.GL_TEXTURE_2D);
            GL11.glColor4f(1.0f, 1.0f, 1.0f, 0.2f);
            GL11.glBegin(GL11.GL_QUADS);
            GL11.glVertex2i(-16, -16);
            GL11.glVertex2i(+16, -16);
            GL11.glVertex2i(+16, +16);
            GL11.glVertex2i(-16, +16);
            GL11.glEnd();
            GL11.glColor4f(1.0f, 1.0f, 1.0f, 1.0f);

        }

        InventoryPlace place = getInventoryPlace(i);
        if (place != null) {
            place.render();
        }
        GL11.glPopMatrix();
    }

    /* Draggin item */
    if (_dragging && _draggingItem != null) {
        GL11.glPushMatrix();
        GL11.glTranslatef(Mouse.getX(), Mouse.getY(), 0);
        _draggingItem.render();
        GL11.glPopMatrix();
    }
}

---

From source file:org.craftmania.world.Sky.java

License:Apache License

private void drawShpere(float x, float y, float z) {
    GL11.glPushMatrix();//from w w  w  . j av  a2 s  . co  m
    GL11.glTranslatef(x, y, z);
    GL11.glColor3f(_color.x(), _color.y(), _color.z());
    if (_sphereCallList == 0) {
        _sphereCallList = GL11.glGenLists(1);
        GL11.glNewList(_sphereCallList, GL11.GL_COMPILE_AND_EXECUTE);
        GL11.glBegin(GL11.GL_TRIANGLE_FAN);
        GL11.glVertex3f(0, 0, 0);
        for (int i = 0; i <= _vertices; ++i) {
            float angle = MathHelper.f_2PI / _vertices * i;
            float xx = MathHelper.cos(angle) * _radius;
            float zz = MathHelper.sin(angle) * _radius;
            GL11.glVertex3f(xx, -_bend, zz);
        }
        GL11.glEnd();
        GL11.glEndList();
    } else {
        GL11.glCallList(_sphereCallList);
    }
    GL11.glPopMatrix();
}

---

From source file:org.craftmania.world.Sky.java

License:Apache License

private void drawClouds(float x, float y, float z) {
    GL11.glPushMatrix();//from   ww w . j av  a 2  s  .c  o  m
    GL11.glTranslatef(x, y, z);
    if (_cloudsCallList == 0) {
        _cloudsCallList = GL11.glGenLists(1);
        GL11.glNewList(_cloudsCallList, GL11.GL_COMPILE_AND_EXECUTE);
        float hw = _cloudsTexWidth / 2.0f;
        float hh = _cloudsTexHeight / 2.0f;

        hw *= _cloudsScale;
        hh *= _cloudsScale;

        GL11.glBegin(GL11.GL_QUADS);

        GL11.glTexCoord2f(0, 0);
        GL11.glVertex3f(-hw, 0, -hh);

        GL11.glTexCoord2f(1, 0);
        GL11.glVertex3f(+hw, 0, -hh);

        GL11.glTexCoord2f(1, 1);
        GL11.glVertex3f(+hw, 0, +hh);

        GL11.glTexCoord2f(0, 1);
        GL11.glVertex3f(-hw, 0, +hh);

        GL11.glEnd();

        GL11.glEndList();
    } else {
        GL11.glCallList(_cloudsCallList);
    }
    GL11.glPopMatrix();
}

---

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