public void initLight(int i) {
realLightcount += i;
for (int j = 0; j < i; j++) {
lights.add(new Light());
}
virtualLightcount = realLightcount;
}
public void updatelights(
GL2GL3 gl,
int uniformlightsview,
int uniformlightsproj,
int uniformlightscolor,
int uniformlightsattr,
int uniformlightcount) {
FloatBuffer lightspos = FloatBuffer.allocate(16 * realLightcount);
FloatBuffer lightsproj = FloatBuffer.allocate(16 * realLightcount);
FloatBuffer lightscolor = FloatBuffer.allocate(4 * realLightcount);
IntBuffer lightsattr = IntBuffer.allocate(4 * realLightcount);
for (int i = 0; i < realLightcount; i++) {
FloatBuffer tmp = lights.get(i).getMatrixf(GL2.GL_MODELVIEW);
// putするときにFloatBufferの位置が動いていけないのでmark()とreset()を行う。
tmp.mark();
lightspos.put(tmp);
tmp.reset();
tmp = lights.get(i).getMatrixf(GL2.GL_PROJECTION);
tmp.mark();
lightsproj.put(tmp);
tmp.reset();
lightscolor.put(lights.get(i).color());
lightscolor.put((float) lights.get(i).intensity);
lightsattr.put(lights.get(i).attr());
}
lightspos.rewind();
lightsproj.rewind();
lightscolor.rewind();
lightsattr.rewind();
gl.glUniformMatrix4fv(uniformlightsview, realLightcount, false, lightspos);
gl.glUniformMatrix4fv(uniformlightsproj, realLightcount, false, lightsproj);
gl.glUniform2i(uniformlightcount, realLightcount, virtualLightcount);
gl.glUniform4fv(uniformlightscolor, realLightcount, lightscolor);
gl.glUniform4iv(uniformlightsattr, realLightcount, lightsattr);
}
public Light getLight(int index) {
if (index > realLightcount) return null;
return lights.get(index);
}