void Material::update(NVGcontext* vg, double time)
{
if (m_framebufferObject == nullptr)
return;
if (m_initialized == true && m_animate == false)
return;
float circle_size = float((cos(time) + 1.0) * 128.0);
nvgluBindFramebuffer(m_framebufferObject);
glViewport(0, 0, m_width, m_height);
// Any alpha other than zero will fail for some FBO reason
glClearColor(m_color.r, m_color.g, m_color.b, 0.0f);
glClear(GL_COLOR_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
nvgBeginFrame(vg, m_width, m_height, /*pixelRatio*/1.0f);
nvgBeginPath(vg);
if (m_animate)
nvgCircle(vg, float(m_width) * 0.5f, float(m_height) * 0.5f, circle_size);
if(m_type == 2)
nvgFillColor(vg, nvgRGBA(220, 45, 0, 200));
else if(m_type == 1)
nvgFillColor(vg, nvgRGBA(0, 220, 45, 200));
else nvgFillColor(vg, nvgRGBA(10, 145, 200, 200));
nvgFill(vg);
if(m_type == 2)
{
nvgFontFace(vg, "sans");
nvgFontSize(vg, 80.0f);
nvgTextAlign(vg, NVG_ALIGN_CENTER);
nvgFillColor(vg, nvgRGBA(255, 255, 255, 255));
nvgText(vg, float(m_width) * 0.5f, (float(m_height) * 0.5f) + 20.0f, "Add Object", nullptr);
}
nvgEndFrame(vg);
nvgluBindFramebuffer(NULL);
m_initialized = true;
}
void renderPattern(NVGcontext* vg, NVGLUframebuffer* fb, float t, float pxRatio)
{
int winWidth, winHeight;
int fboWidth, fboHeight;
int pw, ph, x, y;
float s = 20.0f;
float sr = (cosf(t)+1)*0.5f;
float r = s * 0.6f * (0.2f + 0.8f * sr);
if (fb == NULL) return;
nvgImageSize(vg, fb->image, &fboWidth, &fboHeight);
winWidth = (int)(fboWidth / pxRatio);
winHeight = (int)(fboHeight / pxRatio);
// Draw some stuff to an FBO as a test
nvgluBindFramebuffer(fb);
glViewport(0, 0, fboWidth, fboHeight);
glClearColor(0, 0, 0, 0);
glClear(GL_COLOR_BUFFER_BIT|GL_STENCIL_BUFFER_BIT);
nvgBeginFrame(vg, winWidth, winHeight, pxRatio);
pw = (int)ceilf(winWidth / s);
ph = (int)ceilf(winHeight / s);
nvgBeginPath(vg);
for (y = 0; y < ph; y++) {
for (x = 0; x < pw; x++) {
float cx = (x+0.5f) * s;
float cy = (y+0.5f) * s;
nvgCircle(vg, cx,cy, r);
}
}
nvgFillColor(vg, nvgRGBA(220,160,0,200));
nvgFill(vg);
nvgEndFrame(vg);
nvgluBindFramebuffer(NULL);
}
JNIEXPORT void Java_firststep_internal_NVG_bindFramebuffer(JNIEnv *e, jclass c, jlong fb) {
nvgluBindFramebuffer((NVGLUframebuffer*)fb);
}
