Hier ist der vollständige Quellcode https://github.com/freethemice/GameTest
public void showUi() {
if (!showMenu) return;
ImGui.setNextWindowSize(600, 300, ImGuiCond.Once);
int posX = testGame.getWindow().getWidth() / 2 - 600 / 2;
int posY = testGame.getWindow().getHeight() / 2 - 300 / 2;
ImGui.setNextWindowPos(posX, posY, ImGuiCond.Once);
ImGui.begin("Main Menu"); // Start Custom window
ImGui.sliderInt("Render Distance x/z", renderDistance, 10, 100 );
ImGui.separator();
float min = Math.min(30, ImGui.getWindowSize().y - 35);
if (min > 10) {
if (ImGui.button("Resume", ImGui.getWindowSize().x - 17, min)) {
showMenu = false;
}
}
min = Math.min(30, ImGui.getWindowSize().y - 65);
if (min > 10) {
if (ImGui.button("Exit", ImGui.getWindowSize().x - 17, Math.min(30, min))) {
testGame.getWindow().shutDown();
}
}
ImGui.getWindowSize(windowSize);
ImGui.getWindowPos(windowPos);
final float xPoint = windowPos.x + windowSize.x - 1000;
final float yPoint = windowPos.y + windowSize.y;
ImGui.getWindowDrawList().addImage(dukeTexture.getId(), xPoint, yPoint - 180, xPoint + 1000, yPoint);
ImGui.end(); // End Custom window
}
public int loadTexture(String filename) throws Exception {
int width, height;
ByteBuffer buffer;
try(MemoryStack stack = MemoryStack.stackPush()) {
IntBuffer w = stack.mallocInt(1);
IntBuffer h = stack.mallocInt(1);
IntBuffer c = stack.mallocInt(1);
buffer = STBImage.stbi_load(filename, w, h, c, 4);
if (buffer == null)
throw new Exception("Image File " + filename + " not loaded " + STBImage.stbi_failure_reason());
width = w.get();
height = h.get();
}
int id = GL11.glGenTextures();
textures.add(id);
GL11.glBindTexture(GL11.GL_TEXTURE_2D, id);
GL11.glPixelStorei(GL11.GL_UNPACK_ALIGNMENT, 1);
GL30.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MIN_FILTER, GL11.GL_NEAREST);
GL30.glTexParameteri(GL11.GL_TEXTURE_2D, GL11.GL_TEXTURE_MAG_FILTER, GL11.GL_NEAREST);
GL11.glTexImage2D(GL11.GL_TEXTURE_2D, 0, GL11.GL_RGBA, width, height, 0, GL11.GL_RGBA, GL11.GL_UNSIGNED_BYTE, buffer);
GL30.glGenerateMipmap(GL11.GL_TEXTURE_2D);
STBImage.stbi_image_free(buffer);
return id;
}

