input_mouse.c

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#include <sbgl.h>
#include <stdio.h>
 
int main(void) {
    printf("Initializing SBgl Mouse Input Test...\n");
    printf("Controls: Move Mouse to change color, ESC=Exit\n");
 
    int width = 800;
    int height = 600;
    sbgl_InitResult res = sbgl_Init(width, height, "SBgl Mouse Color Map");
    if (res.error != SBGL_SUCCESS) {
        printf("Failed to init: %d\n", res.error);
        return 1;
    }
 
    sbgl_Context* ctx = res.ctx;
 
    while (!sbgl_WindowShouldClose(ctx)) {
        // Fetch current input state once per frame (DOD Batch Access)
        const sbgl_InputState* input = sbgl_GetInputState(ctx);
 
        // Update window size in case it was resized
        sbgl_GetWindowSize(ctx, &width, &height);
 
        // Calculate color based on mouse position
        // Map X to Red (0.0 to 1.0)
        // Map Y to Green (0.0 to 1.0)
        float r = (float)input->mouseX / (float)width;
        float g = (float)input->mouseY / (float)height;
        float b = 0.5f; // Constant blue
 
        // Clamp values just in case
        if (r < 0.0f) {
            r = 0.0f;
        }
        if (r > 1.0f) {
            r = 1.0f;
        }
        if (g < 0.0f) {
            g = 0.0f;
        }
        if (g > 1.0f) {
            g = 1.0f;
        }
 
        // Apply dynamic clear color
        sbgl_Clear(ctx, r, g, b, 1.0f);
 
        sbgl_BeginDrawing(ctx);
        // Add additional rendering here if needed
        sbgl_EndDrawing(ctx);
 
        if (input->keysDown[SBGL_KEY_ESCAPE]) {
            break;
        }
    }
 
    sbgl_DeviceWaitIdle(ctx);
    sbgl_Shutdown(ctx);
    return 0;
}