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[CHG] change u32 color to an array for differents primitive allowing

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better control.
This commit is contained in:
N0NameN0 2009-03-09 14:17:05 +00:00
parent 1a0b496d3b
commit acd4ffb972
3 changed files with 22 additions and 16 deletions
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27
GRRLIB/GRRLIB/GRRLIB.c
View file

@ -130,8 +130,9 @@ inline void GRRLIB_FillScreen(u32 color) {
*/
inline void GRRLIB_Plot(f32 x, f32 y, u32 color) {
Vector v[] = {{x,y,0.0f}};
u32 ncolor[] = {color};
GRRLIB_NPlot(v, color, 1);
GRRLIB_NPlot(v, ncolor, 1);
}
/**
@ -140,7 +141,7 @@ inline void GRRLIB_Plot(f32 x, f32 y, u32 color) {
* @param color The color of the points in RGBA format.
* @param n Number of points in the vector array.
*/
void GRRLIB_NPlot(Vector v[], u32 color, long n) {
void GRRLIB_NPlot(Vector v[], u32 color[], long n) {
GRRLIB_GXEngine(v, color, n, GX_POINTS);
}
@ -154,8 +155,9 @@ void GRRLIB_NPlot(Vector v[], u32 color, long n) {
*/
inline void GRRLIB_Line(f32 x1, f32 y1, f32 x2, f32 y2, u32 color) {
Vector v[] = {{x1,y1,0.0f}, {x2,y2,0.0f}};
u32 ncolor[] = {color,color};
GRRLIB_NGone(v, color, 2);
GRRLIB_NGone(v, ncolor, 2);
}
/**
@ -171,12 +173,13 @@ inline void GRRLIB_Rectangle(f32 x, f32 y, f32 width, f32 height, u32 color, u8
f32 x2 = x+width;
f32 y2 = y+height;
Vector v[] = {{x,y,0.0f}, {x2,y,0.0f}, {x2,y2,0.0f}, {x,y2,0.0f}, {x,y,0.0f}};
u32 ncolor[]= {color,color,color,color,color};
if (!filled) {
GRRLIB_NGone(v, color, 5);
GRRLIB_NGone(v, ncolor, 5);
}
else {
GRRLIB_NGoneFilled(v, color, 4);
GRRLIB_NGoneFilled(v, ncolor, 4);
}
}
@ -191,6 +194,7 @@ inline void GRRLIB_Rectangle(f32 x, f32 y, f32 width, f32 height, u32 color, u8
*/
inline void GRRLIB_Circle(f32 x, f32 y, f32 radius, u32 color, u8 filled) {
Vector v[36];
u32 ncolor[36];
u32 a;
f32 ra;
f32 G_DTOR = M_DTOR * 10;
@ -201,13 +205,14 @@ inline void GRRLIB_Circle(f32 x, f32 y, f32 radius, u32 color, u8 filled) {
v[a].x = cos(ra) * radius + x;
v[a].y = sin(ra) * radius + y;
v[a].z = 0.0f;
ncolor[a] = color;
}
if (!filled) {
GRRLIB_GXEngine(v, color, 36, GX_LINESTRIP);
GRRLIB_GXEngine(v, ncolor, 36, GX_LINESTRIP);
}
else {
GRRLIB_GXEngine(v, color, 36, GX_TRIANGLEFAN);
GRRLIB_GXEngine(v, ncolor, 36, GX_TRIANGLEFAN);
}
}
@ -217,7 +222,7 @@ inline void GRRLIB_Circle(f32 x, f32 y, f32 radius, u32 color, u8 filled) {
* @param color The color of the filled polygon in RGBA format.
* @param n Number of points in the vector.
*/
void GRRLIB_NGone(Vector v[], u32 color, long n) {
void GRRLIB_NGone(Vector v[], u32 color[], long n) {
GRRLIB_GXEngine(v, color, n, GX_LINESTRIP);
}
@ -227,7 +232,7 @@ void GRRLIB_NGone(Vector v[], u32 color, long n) {
* @param color The color of the filled polygon in RGBA format.
* @param n Number of points in the vector.
*/
void GRRLIB_NGoneFilled(Vector v[], u32 color, long n) {
void GRRLIB_NGoneFilled(Vector v[], u32 color[], long n) {
GRRLIB_GXEngine(v, color, n, GX_TRIANGLEFAN);
}
@ -1081,13 +1086,13 @@ void GRRLIB_BMFX_Scatter(struct GRRLIB_texImg texsrc, GRRLIB_texImg texdest, int
/**
* Draws a vector.
*/
void GRRLIB_GXEngine(Vector v[], u32 color, long n, u8 fmt) {
void GRRLIB_GXEngine(Vector v[], u32 color[], long n, u8 fmt) {
int i;
GX_Begin(fmt, GX_VTXFMT0, n);
for (i = 0; i < n; i++) {
GX_Position3f32(v[i].x, v[i].y, v[i].z);
GX_Color1u32(color);
GX_Color1u32(color[i]);
}
GX_End();
}

8
GRRLIB/GRRLIB/GRRLIB.h
View file

@ -106,14 +106,14 @@ unsigned char GRRLIB_GetBlend();
inline void GRRLIB_FillScreen(u32 color);
inline void GRRLIB_Plot(f32 x, f32 y, u32 color);
void GRRLIB_NPlot(Vector v[], u32 color, long n);
void GRRLIB_NPlot(Vector v[], u32 color[], long n);
inline void GRRLIB_Line(f32 x1, f32 y1, f32 x2, f32 y2, u32 color);
inline void GRRLIB_Rectangle(f32 x, f32 y, f32 width, f32 height, u32 color, u8 filled);
inline void GRRLIB_Circle(f32 x, f32 y, f32 radius, u32 color, u8 filled);
void GRRLIB_NGone(Vector v[], u32 color, long n);
void GRRLIB_NGoneFilled(Vector v[], u32 color, long n);
void GRRLIB_NGone(Vector v[], u32 color[], long n);
void GRRLIB_NGoneFilled(Vector v[], u32 color[], long n);
GRRLIB_texImg GRRLIB_CreateEmptyTexture(unsigned int, unsigned int);
GRRLIB_texImg GRRLIB_LoadTexture(const unsigned char my_img[]);
@ -155,7 +155,7 @@ void GRRLIB_BMFX_Blur(struct GRRLIB_texImg texsrc, GRRLIB_texImg texdest, int fa
void GRRLIB_BMFX_Scatter(struct GRRLIB_texImg texsrc, GRRLIB_texImg texdest, int factor);
void GRRLIB_BMFX_Pixelate(struct GRRLIB_texImg texsrc, GRRLIB_texImg texdest, int factor);
void GRRLIB_GXEngine(Vector v[], u32 color, long count, u8 fmt);
void GRRLIB_GXEngine(Vector v[], u32 color[], long count, u8 fmt);
void GRRLIB_Init();

3
examples/lesson1/source/main.c
View file

@ -63,6 +63,7 @@ int main() {
ir_t ir1;
u32 wpaddown, wpadheld;
Vector triangle[] = {{400,200,0.0f}, {500,400,0.0f}, {300,400,0.0f}};
u32 trianglecolor[] = {GRRLIB_GREEN, GRRLIB_RED, GRRLIB_BLUE};
GRRLIB_Init();
@ -145,7 +146,7 @@ int main() {
GRRLIB_Rectangle(100, 100, 200, 100, GRRLIB_RED, 1);
GRRLIB_Line(100, 100, 350, 200, GRRLIB_SILVER);
GRRLIB_NGoneFilled(triangle, GRRLIB_GRAY, 3);
GRRLIB_NGoneFilled(triangle, trianglecolor, 3);
GRRLIB_Rectangle(left + 150, top + 150, 200, 200, 0x0000FFC8, 1); // Blue with alpha
GRRLIB_Circle(left + 300, top + 300, 50, GRRLIB_OLIVE, 1);