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Simplified animation methods

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Patrick Horlebein
2020-04-06 18:49:10 +02:00
parent 172eea4909
commit f3d0bc3965
3 changed files with 42 additions and 59 deletions
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79
workspace/TS100/Core/Src/OLED.cpp
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@@ -125,72 +125,49 @@ void OLED::drawChar(char c) {
cursor_x += fontWidth;
}
void OLED::presentSecondScreenBufferAnimatedBack() {
uint8_t *firstBackStripPtr = &firstStripPtr[0];
uint8_t *secondBackStripPtr = &secondStripPtr[0];
set_framebuffer(NULL);
/**
* Plays a transition animation between two framebuffers.
* @param framebuffer Second framebuffer to use for animation.
* @param forward Direction of the navigation animation.
*
* If forward is true, this displays a forward navigation to the second framebuffer contents.
* Otherwise a rewinding navigation animation is shown to the second framebuffer contents.
*/
void OLED::transitionToContents(uint8_t *framebuffer, bool forwardNavigation) {
uint8_t *firstBackStripPtr = &framebuffer[0];
uint8_t *secondBackStripPtr = &framebuffer[OLED_WIDTH];
uint32_t totalDuration = 50;
uint32_t totalDuration = 50; // 500ms
uint32_t duration = 0;
uint32_t start = xTaskGetTickCount();
uint8_t offset = 0;
while (duration <= totalDuration) {
duration = xTaskGetTickCount() - start;
uint8_t progress = (duration * 100) / totalDuration;
uint8_t progress = duration * 100 / totalDuration;
progress = easeInOutTiming(progress);
progress = lerp(0, OLED_WIDTH, progress);
if (progress > OLED_WIDTH) {
progress = OLED_WIDTH;
}
memmove(&firstStripPtr[progress], &firstStripPtr[offset], OLED_WIDTH - progress);
memmove(&secondStripPtr[progress], &secondStripPtr[offset], OLED_WIDTH - progress);
// When forward, current contents move to the left out.
// Otherwise the contents move to the right out.
uint8_t oldStart = forwardNavigation ? 0 : progress;
uint8_t oldPrevious = forwardNavigation ? progress - offset : offset;
// Content from the second framebuffer moves in from the right (forward)
// or from the left (not forward).
uint8_t newStart = forwardNavigation ? OLED_WIDTH - progress : 0;
uint8_t newEnd = forwardNavigation ? 0 : OLED_WIDTH - progress;
offset = progress;
memmove(
&firstStripPtr[0],
&firstBackStripPtr[OLED_WIDTH - progress],
progress);
memmove(&secondStripPtr[0],
&secondBackStripPtr[OLED_WIDTH - progress],
progress);
refresh();
osDelay(40);
}
}
void OLED::presentSecondScreenBufferAnimated() {
uint8_t *firstBackStripPtr = &firstStripPtr[0];
uint8_t *secondBackStripPtr = &secondStripPtr[0];
set_framebuffer(NULL);
uint32_t totalDuration = 50;
uint32_t duration = 0;
uint32_t start = xTaskGetTickCount();
uint8_t offset = 0;
while (duration < totalDuration) {
duration = xTaskGetTickCount() - start;
memmove(&firstStripPtr[oldStart], &firstStripPtr[oldPrevious], OLED_WIDTH - progress);
memmove(&secondStripPtr[oldStart], &secondStripPtr[oldPrevious], OLED_WIDTH - progress);
uint8_t progress = (duration * 100) / totalDuration;
progress = easeInOutTiming(progress);
progress = lerp(0, OLED_WIDTH, progress);
if (progress > OLED_WIDTH) {
progress = OLED_WIDTH;
}
memmove(&firstStripPtr[0], &firstStripPtr[progress - offset], OLED_WIDTH - progress);
memmove(&secondStripPtr[0], &secondStripPtr[progress - offset], OLED_WIDTH - progress);
offset = progress;
memmove(
&firstStripPtr[OLED_WIDTH - progress],
&firstBackStripPtr[0],
progress);
memmove(&secondStripPtr[OLED_WIDTH - progress],
&secondBackStripPtr[0],
progress);
memmove(&firstStripPtr[newStart], &firstBackStripPtr[newEnd], progress);
memmove(&secondStripPtr[newStart], &secondBackStripPtr[newEnd], progress);
refresh();
osDelay(40);