35 lines
847 B
C
35 lines
847 B
C
#include "cloud.h"
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void cloudInit(Cloud* cloud, int w) {
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cloud->width = w;
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cloud->xPos = w;
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cloud->yPos = 0;
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cloud->remove = false;
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cloud->cloudGap = getRandomNumber(CLOUD_MIN_GAP, CLOUD_MAX_GAP);
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cloud->yPos = getRandomNumber(CLOUD_MAX_SKY_LEVEL, CLOUD_MIN_SKY_LEVEL); // NOTE why swapped
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cloudDraw(cloud);
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}
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void cloudDraw(const Cloud* cloud) {
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graphicsBlitAtlasImage(ATLAS_CLOUD_X, ATLAS_CLOUD_Y, cloud->xPos, cloud->yPos, CLOUD_WIDTH, CLOUD_HEIGHT, false);
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}
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void cloudUpdate(Cloud* cloud, double speed) {
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// printf("cloudUpdate(., %f)\n", speed);
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if (!cloud->remove) {
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cloud->xPos -= (int)ceil(speed);
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cloudDraw(cloud);
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// Mark as removeable if no longer in the canvas.
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if (!cloudIsVisible(cloud)) {
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cloud->remove = true;
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}
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}
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}
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bool cloudIsVisible(const Cloud* cloud) {
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return cloud->xPos + CLOUD_WIDTH > 0;
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}
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