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:net.phatcode.rel.multimedia.Graphics.java

License:Open Source License

public void drawSpriteOnLine(int x1, int y1, int x2, int y2, int width, int type) {

    SpriteGL sprite = glowImages.getSprite(type % glowImages.getNumImages());

    // Only change active texture when there is a need
    // Speeds up the rendering by batching textures

    if (sprite.textureID != currentTexture) {
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, sprite.textureID);
        currentTexture = sprite.textureID;
    }//from  w w  w.j a v  a 2  s .  c o  m

    float u1 = sprite.u1;
    float v1 = sprite.v1;
    float u2 = sprite.u2;
    float v2 = sprite.v2;
    float uh = (u1 + u2) / 2.0f;

    float nx, ny;
    nx = -(y2 - y1);
    ny = (x2 - x1);

    float leng;
    leng = (float) Math.sqrt(nx * nx + ny * ny);
    nx = nx / leng;
    ny = ny / leng;

    nx *= width / 2.0;
    ny *= width / 2.0;

    float lx1, ly1, lx2, ly2, lx3, ly3, lx4, ly4;

    lx1 = x2 + nx;
    ly1 = y2 + ny;
    lx2 = x2 - nx;
    ly2 = y2 - ny;
    lx3 = x1 - nx;
    ly3 = y1 - ny;
    lx4 = x1 + nx;
    ly4 = y1 + ny;

    // MAIN
    GL11.glBegin(GL11.GL_QUADS);
    GL11.glTexCoord2f(uh, v1);
    GL11.glVertex3f(lx1, ly1, 0.0f);
    GL11.glTexCoord2f(uh, v2);
    GL11.glVertex3f(lx2, ly2, 0.0f);
    GL11.glTexCoord2f(uh, v2);
    GL11.glVertex3f(lx3, ly3, 0.0f);
    GL11.glTexCoord2f(uh, v1);
    GL11.glVertex3f(lx4, ly4, 0.0f);
    GL11.glEnd();

    //RIGHT
    float lx5, ly5, lx6, ly6, vx, vy;
    vx = (x2 - x1);
    vy = (y2 - y1);
    leng = (float) Math.sqrt(vx * vx + vy * vy);
    vx = vx / leng;
    vy = vy / leng;
    vx *= width / 2.0;
    vy *= width / 2.0;

    lx5 = lx1 + vx;
    ly5 = ly1 + vy;
    lx6 = lx2 + vx;
    ly6 = ly2 + vy;

    GL11.glBegin(GL11.GL_QUADS);
    GL11.glTexCoord2f(uh, v1);
    GL11.glVertex3f(lx1, ly1, 0.0f);
    GL11.glTexCoord2f(u2, v1);
    GL11.glVertex3f(lx5, ly5, 0.0f);
    GL11.glTexCoord2f(u2, v2);
    GL11.glVertex3f(lx6, ly6, 0.0f);
    GL11.glTexCoord2f(uh, v2);
    GL11.glVertex3f(lx2, ly2, 0.0f);
    GL11.glEnd();

    // LEFT
    lx5 = lx4 - vx;
    ly5 = ly4 - vy;
    lx6 = lx3 - vx;
    ly6 = ly3 - vy;

    GL11.glBegin(GL11.GL_QUADS);
    GL11.glTexCoord2f(uh, v1);
    GL11.glVertex3f(lx4, ly4, 0.0f);
    GL11.glTexCoord2f(uh, v2);
    GL11.glVertex3f(lx3, ly3, 0.0f);
    GL11.glTexCoord2f(u2, v2);
    GL11.glVertex3f(lx6, ly6, 0.0f);
    GL11.glTexCoord2f(u2, v1);
    GL11.glVertex3f(lx5, ly5, 0.0f);
    GL11.glEnd();

}

---

From source file:net.phatcode.rel.multimedia.Graphics.java

License:Open Source License

public void drawSpriteOnLine(int x1, int y1, int x2, int y2, int width, int type, float r, float g, float b,
        float a) {

    SpriteGL sprite = glowImages.getSprite(type % glowImages.getNumImages());

    // Only change active texture when there is a need
    // Speeds up the rendering by batching textures

    if (sprite.textureID != currentTexture) {
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, sprite.textureID);
        currentTexture = sprite.textureID;
    }/* w w  w.j av  a2s . co  m*/

    GL11.glColor4f(r, g, b, a);

    float u1 = sprite.u1;
    float v1 = sprite.v1;
    float u2 = sprite.u2;
    float v2 = sprite.v2;
    float uh = (u1 + u2) / 2.0f;

    float nx, ny;
    nx = -(y2 - y1);
    ny = (x2 - x1);

    float leng;
    leng = (float) Math.sqrt(nx * nx + ny * ny);
    nx = nx / leng;
    ny = ny / leng;

    nx *= width / 2.0;
    ny *= width / 2.0;

    float lx1, ly1, lx2, ly2, lx3, ly3, lx4, ly4;

    lx1 = x2 + nx;
    ly1 = y2 + ny;
    lx2 = x2 - nx;
    ly2 = y2 - ny;
    lx3 = x1 - nx;
    ly3 = y1 - ny;
    lx4 = x1 + nx;
    ly4 = y1 + ny;

    // MAIN
    GL11.glBegin(GL11.GL_QUADS);
    GL11.glTexCoord2f(uh, v1);
    GL11.glVertex3f(lx1, ly1, 0.0f);
    GL11.glTexCoord2f(uh, v2);
    GL11.glVertex3f(lx2, ly2, 0.0f);
    GL11.glTexCoord2f(uh, v2);
    GL11.glVertex3f(lx3, ly3, 0.0f);
    GL11.glTexCoord2f(uh, v1);
    GL11.glVertex3f(lx4, ly4, 0.0f);
    GL11.glEnd();

    //RIGHT
    float lx5, ly5, lx6, ly6, vx, vy;
    vx = (x2 - x1);
    vy = (y2 - y1);
    leng = (float) Math.sqrt(vx * vx + vy * vy);
    vx = vx / leng;
    vy = vy / leng;
    vx *= width / 2.0;
    vy *= width / 2.0;

    lx5 = lx1 + vx;
    ly5 = ly1 + vy;
    lx6 = lx2 + vx;
    ly6 = ly2 + vy;

    GL11.glBegin(GL11.GL_QUADS);
    GL11.glTexCoord2f(uh, v1);
    GL11.glVertex3f(lx1, ly1, 0.0f);
    GL11.glTexCoord2f(u2, v1);
    GL11.glVertex3f(lx5, ly5, 0.0f);
    GL11.glTexCoord2f(u2, v2);
    GL11.glVertex3f(lx6, ly6, 0.0f);
    GL11.glTexCoord2f(uh, v2);
    GL11.glVertex3f(lx2, ly2, 0.0f);
    GL11.glEnd();

    // LEFT
    lx5 = lx4 - vx;
    ly5 = ly4 - vy;
    lx6 = lx3 - vx;
    ly6 = ly3 - vy;

    GL11.glBegin(GL11.GL_QUADS);
    GL11.glTexCoord2f(uh, v1);
    GL11.glVertex3f(lx4, ly4, 0.0f);
    GL11.glTexCoord2f(uh, v2);
    GL11.glVertex3f(lx3, ly3, 0.0f);
    GL11.glTexCoord2f(u2, v2);
    GL11.glVertex3f(lx6, ly6, 0.0f);
    GL11.glTexCoord2f(u2, v1);
    GL11.glVertex3f(lx5, ly5, 0.0f);
    GL11.glEnd();

}

---

From source file:net.phatcode.rel.multimedia.Graphics.java

License:Open Source License

private void drawScrolledSprite(float x, float y, float scaleX, float scaleY, float u, float v, int flipmode,
        SpriteGL sprite) {/*from ww w  . j a v  a 2s.co m*/

    flipmode = getflipMode(flipmode);

    float x2 = x + sprite.width;
    float y2 = y + sprite.height;

    float u1 = ((flipmode & SpriteGL.FLIP_H) == 0) ? sprite.u1 : sprite.u2;
    float v1 = ((flipmode & SpriteGL.FLIP_V) == 0) ? sprite.v1 : sprite.v2;
    float u2 = ((flipmode & SpriteGL.FLIP_H) == 0) ? sprite.u2 : sprite.u1;
    float v2 = ((flipmode & SpriteGL.FLIP_V) == 0) ? sprite.v2 : sprite.v1;

    if (sprite.textureID != currentTexture) {
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, sprite.textureID);
        currentTexture = sprite.textureID;
    }

    GL11.glPushMatrix();

    GL11.glScalef(scaleX, scaleY, 1.0f);

    GL11.glBegin(GL11.GL_QUADS);

    GL11.glTexCoord2f(u1 + u, v1 + v);
    GL11.glVertex2f(x, y);
    GL11.glTexCoord2f(u1 + u, v2 + v);
    GL11.glVertex2f(x, y2);
    GL11.glTexCoord2f(u2 + u, v2 + v);
    GL11.glVertex2f(x2, y2);
    GL11.glTexCoord2f(u2 + u, v1 + v);
    GL11.glVertex2f(x2, y);

    GL11.glEnd();

    GL11.glPopMatrix();

}

---

From source file:net.phatcode.rel.multimedia.Graphics.java

License:Open Source License

private void drawScrolledSprite(float x, float y, float scaleX, float scaleY, float u, float v, float r,
        float g, float b, float a, int flipmode, SpriteGL sprite) {

    flipmode = getflipMode(flipmode);/*from   w  ww .  jav a2 s . c  om*/

    float x2 = x + sprite.width;
    float y2 = y + sprite.height;

    float u1 = ((flipmode & SpriteGL.FLIP_H) == 0) ? sprite.u1 : sprite.u2;
    float v1 = ((flipmode & SpriteGL.FLIP_V) == 0) ? sprite.v1 : sprite.v2;
    float u2 = ((flipmode & SpriteGL.FLIP_H) == 0) ? sprite.u2 : sprite.u1;
    float v2 = ((flipmode & SpriteGL.FLIP_V) == 0) ? sprite.v2 : sprite.v1;

    if (sprite.textureID != currentTexture) {
        GL11.glBindTexture(GL11.GL_TEXTURE_2D, sprite.textureID);
        currentTexture = sprite.textureID;
    }

    GL11.glColor4f(r, g, b, a);

    GL11.glPushMatrix();

    GL11.glScalef(scaleX, scaleY, 1.0f);

    GL11.glBegin(GL11.GL_QUADS);

    GL11.glTexCoord2f(u1 + u, v1 + v);
    GL11.glVertex2f(x, y);
    GL11.glTexCoord2f(u1 + u, v2 + v);
    GL11.glVertex2f(x, y2);
    GL11.glTexCoord2f(u2 + u, v2 + v);
    GL11.glVertex2f(x2, y2);
    GL11.glTexCoord2f(u2 + u, v1 + v);
    GL11.glVertex2f(x2, y);

    GL11.glEnd();

    GL11.glPopMatrix();

}

---

From source file:net.quetzi.bluepower.part.gate.GateBase.java

License:Open Source License

@Override
public final void renderDynamic(Vector3 loc, int pass, float frame) {

    GL11.glPushMatrix();// w ww.j a v  a 2 s  .c  om
    {
        super.rotateAndTranslateDynamic(loc, pass, frame);

        /* Top */
        renderTop(frame);

        Minecraft.getMinecraft().renderEngine
                .bindTexture(new ResourceLocation(Refs.MODID + ":textures/blocks/gates/bottom.png"));
        GL11.glBegin(GL11.GL_QUADS);
        /* Bottom */
        GL11.glNormal3d(0, -1, 0);
        RenderHelper.addVertexWithTexture(0, 0, 0, 0, 0);
        RenderHelper.addVertexWithTexture(1, 0, 0, 1, 0);
        RenderHelper.addVertexWithTexture(1, 0, 1, 1, 1);
        RenderHelper.addVertexWithTexture(0, 0, 1, 0, 1);
        GL11.glEnd();
        Minecraft.getMinecraft().renderEngine
                .bindTexture(new ResourceLocation(Refs.MODID + ":textures/blocks/gates/side.png"));
        GL11.glBegin(GL11.GL_QUADS);
        /* East */
        GL11.glNormal3d(1, 0, 0);
        RenderHelper.addVertexWithTexture(1, 0, 0, 0, 0);
        RenderHelper.addVertexWithTexture(1, 1D / 8D, 0, 1, 0);
        RenderHelper.addVertexWithTexture(1, 1D / 8D, 1, 1, 1);
        RenderHelper.addVertexWithTexture(1, 0, 1, 0, 1);
        /* West */
        GL11.glNormal3d(-1, 0, 0);
        RenderHelper.addVertexWithTexture(0, 0, 0, 0, 0);
        RenderHelper.addVertexWithTexture(0, 0, 1, 0, 1);
        RenderHelper.addVertexWithTexture(0, 1D / 8D, 1, 1, 1);
        RenderHelper.addVertexWithTexture(0, 1D / 8D, 0, 1, 0);
        /* North */
        GL11.glNormal3d(0, 0, -1);
        RenderHelper.addVertexWithTexture(0, 0, 0, 0, 0);
        RenderHelper.addVertexWithTexture(0, 1D / 8D, 0, 1, 0);
        RenderHelper.addVertexWithTexture(1, 1D / 8D, 0, 1, 1);
        RenderHelper.addVertexWithTexture(1, 0, 0, 0, 1);
        /* South */
        GL11.glNormal3d(0, 0, 1);
        RenderHelper.addVertexWithTexture(0, 0, 1, 0, 0);
        RenderHelper.addVertexWithTexture(1, 0, 1, 0, 1);
        RenderHelper.addVertexWithTexture(1, 1D / 8D, 1, 1, 1);
        RenderHelper.addVertexWithTexture(0, 1D / 8D, 1, 1, 0);
        GL11.glEnd();
    }
    GL11.glPopMatrix();
}

---

From source file:net.quetzi.bluepower.part.gate.GateBase.java

License:Open Source License

public void renderTopTexture(String texture) {

    Minecraft.getMinecraft().renderEngine.bindTexture(new ResourceLocation(texture));
    GL11.glBegin(GL11.GL_QUADS);
    GL11.glNormal3d(0, 1, 0);//from   w  ww . j a  v  a  2s.  c o m
    RenderHelper.addVertexWithTexture(0, 1D / 8D, 0, 0, 0);
    RenderHelper.addVertexWithTexture(0, 1D / 8D, 1, 0, 1);
    RenderHelper.addVertexWithTexture(1, 1D / 8D, 1, 1, 1);
    RenderHelper.addVertexWithTexture(1, 1D / 8D, 0, 1, 0);
    GL11.glEnd();
}

---

From source file:net.quetzi.bluepower.part.gate.GateBase.java

License:Open Source License

@Override
public final void renderItem(ItemRenderType type, ItemStack item, Object... data) {

    GL11.glPushMatrix();//from   w w  w .  j  a v a  2s .c om
    {

        if (type == ItemRenderType.INVENTORY) {
            GL11.glTranslated(0, 0.5, 0);
            GL11.glRotated(-12, -1, 0, 1);
        }

        /* Top */
        renderTop();

        Minecraft.getMinecraft().renderEngine
                .bindTexture(new ResourceLocation(Refs.MODID + ":textures/blocks/gates/bottom.png"));
        GL11.glBegin(GL11.GL_QUADS);
        /* Bottom */
        GL11.glNormal3d(0, -1, 0);
        RenderHelper.addVertexWithTexture(0, 0, 0, 0, 0);
        RenderHelper.addVertexWithTexture(1, 0, 0, 1, 0);
        RenderHelper.addVertexWithTexture(1, 0, 1, 1, 1);
        RenderHelper.addVertexWithTexture(0, 0, 1, 0, 1);
        GL11.glEnd();
        Minecraft.getMinecraft().renderEngine
                .bindTexture(new ResourceLocation(Refs.MODID + ":textures/blocks/gates/side.png"));
        GL11.glBegin(GL11.GL_QUADS);
        /* East */
        GL11.glNormal3d(1, 0, 0);
        RenderHelper.addVertexWithTexture(1, 0, 0, 0, 0);
        RenderHelper.addVertexWithTexture(1, 1D / 8D, 0, 1, 0);
        RenderHelper.addVertexWithTexture(1, 1D / 8D, 1, 1, 1);
        RenderHelper.addVertexWithTexture(1, 0, 1, 0, 1);
        /* West */
        GL11.glNormal3d(-1, 0, 0);
        RenderHelper.addVertexWithTexture(0, 0, 0, 0, 0);
        RenderHelper.addVertexWithTexture(0, 0, 1, 0, 1);
        RenderHelper.addVertexWithTexture(0, 1D / 8D, 1, 1, 1);
        RenderHelper.addVertexWithTexture(0, 1D / 8D, 0, 1, 0);
        /* North */
        GL11.glNormal3d(0, 0, -1);
        RenderHelper.addVertexWithTexture(0, 0, 0, 0, 0);
        RenderHelper.addVertexWithTexture(0, 1D / 8D, 0, 1, 0);
        RenderHelper.addVertexWithTexture(1, 1D / 8D, 0, 1, 1);
        RenderHelper.addVertexWithTexture(1, 0, 0, 0, 1);
        /* South */
        GL11.glNormal3d(0, 0, 1);
        RenderHelper.addVertexWithTexture(0, 0, 1, 0, 0);
        RenderHelper.addVertexWithTexture(1, 0, 1, 0, 1);
        RenderHelper.addVertexWithTexture(1, 1D / 8D, 1, 1, 1);
        RenderHelper.addVertexWithTexture(0, 1D / 8D, 1, 1, 0);
        GL11.glEnd();
    }
    GL11.glPopMatrix();
}

---

From source file:net.shadowmage.ancientwarfare.core.model.ModelPiece.java

License:Open Source License

public void renderForEditor(ModelPiece piece, Primitive prim, List<ModelPiece> highlightedPieces, float tw,
        float th) {
    GL11.glPushMatrix();//from ww  w .  jav a  2s  .  c o  m
    if (x != 0 || y != 0 || z != 0) {
        GL11.glTranslatef(x, y, z);
    }
    if (rx != 0) {
        GL11.glRotatef(rx, 1, 0, 0);
    }
    if (ry != 0) {
        GL11.glRotatef(ry, 0, 1, 0);
    }
    if (rz != 0) {
        GL11.glRotatef(rz, 0, 0, 1);
    }

    boolean selected = piece == this;
    boolean colored = selected || highlightedPieces.contains(this);
    if (selected) {
        GL11.glDisable(GL11.GL_LIGHTING);
        GL11.glDisable(GL11.GL_TEXTURE_2D);
        GL11.glEnable(GL11.GL_POINT_SMOOTH);
        GL11.glColor4f(1.0f, 0.f, 0.f, 1.f);
        GL11.glPointSize(5.f);
        GL11.glBegin(GL11.GL_POINTS);
        GL11.glVertex3f(0, 0, 0);
        GL11.glEnd();
        GL11.glEnable(GL11.GL_LIGHTING);
        GL11.glEnable(GL11.GL_TEXTURE_2D);
    }
    if (colored) {
        GL11.glColor4f(0.75f, 0.5f, 0.5f, 1.f);
    } else {
        GL11.glColor4f(1.f, 1.f, 1.f, 1.f);
    }
    for (Primitive primitive : this.primitives) {
        if (primitive == prim) {
            GL11.glDisable(GL11.GL_LIGHTING);
            GL11.glDisable(GL11.GL_TEXTURE_2D);
            GL11.glColor4f(1.0f, 0.f, 0.f, 1.f);
            GL11.glBegin(GL11.GL_POINTS);
            GL11.glVertex3f(prim.x, prim.y, prim.z);
            GL11.glEnd();
            GL11.glEnable(GL11.GL_LIGHTING);
            GL11.glEnable(GL11.GL_TEXTURE_2D);
            GL11.glColor4f(1.0f, 0.5f, 0.5f, 1.f);
        } else if (colored) {
            GL11.glColor4f(0.75f, 0.5f, 0.5f, 1.f);
        } else {
            GL11.glColor4f(1.f, 1.f, 1.f, 1.f);
        }
        primitive.render(tw, th);
    }
    for (ModelPiece child : this.children) {
        child.renderForEditor(piece, prim, highlightedPieces, tw, th);
    }
    GL11.glPopMatrix();
}

---

From source file:net.shadowmage.ancientwarfare.core.model.PrimitiveBox.java

License:Open Source License

@Override
protected void renderPrimitive(float tw, float th) {
    float px = 1.f / tw;
    float py = 1.f / th;
    float w = (float) Math.ceil((x2 - x1) * 16.f);
    float h = (float) Math.ceil((y2 - y1) * 16.f);
    float l = (float) Math.ceil((z2 - z1) * 16.f);
    float ty = this.ty();
    float tx = this.tx();

    float tx1, ty1, tx2, ty2;
    if (w < 1) {
        w = 1;/*from  w w  w .j a v a  2 s.com*/
    }
    if (h < 1) {
        h = 1;
    }
    if (l < 1) {
        l = 1;
    }

    //render the cube. only called a single time when building the display list for a piece
    if (rx != 0) {
        GL11.glRotatef(rx, 1, 0, 0);
    }
    if (ry != 0) {
        GL11.glRotatef(ry, 0, 1, 0);
    }
    if (rz != 0) {
        GL11.glRotatef(rz, 0, 0, 1);
    }

    GL11.glBegin(GL11.GL_QUADS);

    //front side  
    tx1 = (tx + l) * px;
    ty1 = (th - (ty + l + h)) * py;
    tx2 = (tx + l + w) * px;
    ty2 = (th - (ty + l)) * py;
    ty1 = 1.f - ty1;
    ty2 = 1.f - ty2;
    GL11.glNormal3f(0, 0, 1);
    GL11.glTexCoord2f(tx1, ty1);
    GL11.glVertex3f(x1, y1, z2);
    GL11.glTexCoord2f(tx2, ty1);
    GL11.glVertex3f(x2, y1, z2);
    GL11.glTexCoord2f(tx2, ty2);
    GL11.glVertex3f(x2, y2, z2);
    GL11.glTexCoord2f(tx1, ty2);
    GL11.glVertex3f(x1, y2, z2);

    ////rear side
    tx1 = (tx + l + l + w) * px;
    ty1 = (th - (ty + l + h)) * py;
    tx2 = (tx + l + w + l + w) * px;
    ty2 = (th - (ty + l)) * py;
    ty1 = 1.f - ty1;
    ty2 = 1.f - ty2;
    GL11.glNormal3f(0, 0, -1);
    GL11.glTexCoord2f(tx1, ty1);
    GL11.glVertex3f(x2, y1, z1);
    GL11.glTexCoord2f(tx2, ty1);
    GL11.glVertex3f(x1, y1, z1);
    GL11.glTexCoord2f(tx2, ty2);
    GL11.glVertex3f(x1, y2, z1);
    GL11.glTexCoord2f(tx1, ty2);
    GL11.glVertex3f(x2, y2, z1);

    //right side
    tx1 = (tx + l + w) * px;
    ty1 = (th - (ty + l + h)) * py;
    tx2 = (tx + l + w + l) * px;
    ty2 = (th - (ty + l)) * py;
    ty1 = 1.f - ty1;
    ty2 = 1.f - ty2;
    GL11.glNormal3f(-1, 0, 0);
    GL11.glTexCoord2f(tx1, ty1);
    GL11.glVertex3f(x1, y1, z1);
    GL11.glTexCoord2f(tx2, ty1);
    GL11.glVertex3f(x1, y1, z2);
    GL11.glTexCoord2f(tx2, ty2);
    GL11.glVertex3f(x1, y2, z2);
    GL11.glTexCoord2f(tx1, ty2);
    GL11.glVertex3f(x1, y2, z1);

    //  //left side
    tx1 = (tx) * px;
    ty1 = (th - (ty + l + h)) * py;
    tx2 = (tx + l) * px;
    ty2 = (th - (ty + l)) * py;
    ty1 = 1.f - ty1;
    ty2 = 1.f - ty2;
    GL11.glNormal3f(1, 0, 0);
    GL11.glTexCoord2f(tx1, ty1);
    GL11.glVertex3f(x2, y1, z2);
    GL11.glTexCoord2f(tx2, ty1);
    GL11.glVertex3f(x2, y1, z1);
    GL11.glTexCoord2f(tx2, ty2);
    GL11.glVertex3f(x2, y2, z1);
    GL11.glTexCoord2f(tx1, ty2);
    GL11.glVertex3f(x2, y2, z2);

    //  //top side
    tx1 = (tx + l) * px;
    ty1 = (th - (ty + l)) * py;
    tx2 = (tx + l + w) * px;
    ty2 = (th - (ty)) * py;
    ty1 = 1.f - ty1;
    ty2 = 1.f - ty2;
    GL11.glNormal3f(0, 1, 0);
    GL11.glTexCoord2f(tx1, ty1);
    GL11.glVertex3f(x2, y2, z1);
    GL11.glTexCoord2f(tx2, ty1);
    GL11.glVertex3f(x1, y2, z1);
    GL11.glTexCoord2f(tx2, ty2);
    GL11.glVertex3f(x1, y2, z2);
    GL11.glTexCoord2f(tx1, ty2);
    GL11.glVertex3f(x2, y2, z2);

    //  //bottom side
    tx1 = (tx + l + w) * px;
    ty1 = (th - (ty + l)) * py;
    tx2 = (tx + l + w + w) * px;
    ty2 = (th - (ty)) * py;
    ty1 = 1.f - ty1;
    ty2 = 1.f - ty2;
    GL11.glNormal3f(0, -1, 0);
    GL11.glTexCoord2f(tx1, ty1);
    GL11.glVertex3f(x2, y1, z2);
    GL11.glTexCoord2f(tx2, ty1);
    GL11.glVertex3f(x1, y1, z2);
    GL11.glTexCoord2f(tx2, ty2);
    GL11.glVertex3f(x1, y1, z1);
    GL11.glTexCoord2f(tx1, ty2);
    GL11.glVertex3f(x2, y1, z1);

    GL11.glEnd();
}

---

From source file:net.shadowmage.ancientwarfare.core.model.PrimitiveQuad.java

License:Open Source License

@Override
protected void renderPrimitive(float tw, float th) {
    float px = 1.f / tw;
    float py = 1.f / th;
    float w = (x2 - x1) * 16.f;
    float l = 1.f;//TODO fix this for proper texture handling
    float h = (y2 - y1) * 16.f;
    float ty = this.ty();
    float tx = this.tx();

    float tx1, ty1, tx2, ty2;

    //render the cube. only called a single time when building the display list for a piece
    if (rx != 0) {
        GL11.glRotatef(rx, 1, 0, 0);/*from  ww  w . j av  a  2s.c om*/
    }
    if (ry != 0) {
        GL11.glRotatef(ry, 0, 1, 0);
    }
    if (rz != 0) {
        GL11.glRotatef(rz, 0, 0, 1);
    }

    GL11.glBegin(GL11.GL_QUADS);

    //front side  
    tx1 = (tx + l) * px;
    ty1 = (th - (ty + l + h)) * py;
    tx2 = (tx + l + w) * px;
    ty2 = (th - (ty + l)) * py;

    GL11.glNormal3f(0, 0, 1);
    GL11.glTexCoord2f(tx1, ty1);
    GL11.glVertex3f(x1, y1, 0.f);
    GL11.glTexCoord2f(tx2, ty1);
    GL11.glVertex3f(x2, y1, 0.f);
    GL11.glTexCoord2f(tx2, ty2);
    GL11.glVertex3f(x2, y2, 0.f);
    GL11.glTexCoord2f(tx1, ty2);
    GL11.glVertex3f(x1, y2, 0.f);

    GL11.glEnd();
}

---

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