GUIColorEffect.cpp

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#include <tdme/gui/effects/GUIColorEffect.h>
 
#include <tdme/tdme.h>
#include <tdme/gui/effects/GUIEffectState.h>
#include <tdme/gui/nodes/GUIColor.h>
#include <tdme/gui/nodes/GUINode.h>
#include <tdme/gui/renderer/GUIRenderer.h>
#include <tdme/math/Math.h>
 
using tdme::gui::effects::GUIColorEffect;
using tdme::gui::effects::GUIEffectState;
using tdme::gui::nodes::GUIColor;
using tdme::gui::nodes::GUINode;
using tdme::gui::renderer::GUIRenderer;
using tdme::math::Math;
 
GUIColorEffect::GUIColorEffect(GUINode* guiNode): GUIEffect(EFFECTTYPE_COLOR, guiNode)
{
}
 
void GUIColorEffect::apply(GUIRenderer* guiRenderer)
{
    auto t = Math::abs(timeTotal) < Math::EPSILON?1.0f:(timeTotal - timeLeft) / timeTotal;
    auto effectState = node->getEffectState();
    effectState->colorMul.set(
        startState.colorMul.getRed() + ((endState.colorMul.getRed() - startState.colorMul.getRed()) * t),
        startState.colorMul.getGreen() + ((endState.colorMul.getGreen() - startState.colorMul.getGreen()) * t),
        startState.colorMul.getBlue() + ((endState.colorMul.getBlue() - startState.colorMul.getBlue()) * t),
        startState.colorMul.getAlpha() + ((endState.colorMul.getAlpha() - startState.colorMul.getAlpha()) * t)
    );
    auto& effectColorMul = guiRenderer->getGUIEffectColorMul();
    auto& effectColorAdd = guiRenderer->getGUIEffectColorAdd();
    guiRenderer->setGUIEffectColorMul(
        GUIColor(
            effectColorMul.getRed() * effectState->colorMul.getRed(),
            effectColorMul.getGreen() * effectState->colorMul.getGreen(),
            effectColorMul.getBlue() * effectState->colorMul.getBlue(),
            effectColorMul.getAlpha() * effectState->colorMul.getAlpha()
        )
    );
    effectState->colorAdd.set(
        startState.colorAdd.getRed() + ((endState.colorAdd.getRed() - startState.colorAdd.getRed()) * t),
        startState.colorAdd.getGreen() + ((endState.colorAdd.getGreen() - startState.colorAdd.getGreen()) * t),
        startState.colorAdd.getBlue() + ((endState.colorAdd.getBlue() - startState.colorAdd.getBlue()) * t),
        startState.colorAdd.getAlpha() + ((endState.colorAdd.getAlpha() - startState.colorAdd.getAlpha()) * t)
    );
    guiRenderer->setGUIEffectColorAdd(
        GUIColor(
            effectColorAdd.getRed() + effectState->colorAdd.getRed(),
            effectColorAdd.getGreen() + effectState->colorAdd.getGreen(),
            effectColorAdd.getBlue() + effectState->colorAdd.getBlue(),
            effectColorAdd.getAlpha() + effectState->colorAdd.getAlpha()
        )
    );
}